{"items":[{"id":"NVI-00006677","kind":"vulnerability","title":"PhpSpreadsheet: SSRF whitelist bypass via unre-validated HTTP redirect in Drawing::setPath external image loading","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-2phh-27fw-q4gc","CVE-2026-108360"],"plain_summary":"GitHub lists this reviewed advisory for phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-25e9b5515fecd54b14d3ff592dbe1bdf"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.10.0 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 3.10.8 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.4.8 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.1.19 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.30.7 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-27T15:38:41.000Z","value":"6.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1dd73de835ad6d9ae6e0e90887ffdff2"},{"kind":"CVSS","as_of":"2026-10-29T12:17:09.500Z","value":"6.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-d1ffdf849dd029e1a8bf3efd343549e2"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.339%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.27382. Missing scores are unknown.","source_id":"sr-25e9b5515fecd54b14d3ff592dbe1bdf"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-1dd73de835ad6d9ae6e0e90887ffdff2","url":"https://github.com/advisories/GHSA-2phh-27fw-q4gc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2phh-27fw-q4gc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-be39f09776a3f4d12cd6231236aa3298","url":"https://github.com/advisories/GHSA-2phh-27fw-q4gc","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-2phh-27fw-q4gc","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.643Z"},{"id":"sr-d1ffdf849dd029e1a8bf3efd343549e2","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108360","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-108360","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:38.141Z"},{"id":"sr-25e9b5515fecd54b14d3ff592dbe1bdf","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-108360","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.775Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 4.0.0, <= 5.9.0"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 3.3.0, <= 3.10.7"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 2.2.0, <= 2.4.7"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 2.0.0, <= 2.1.18"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["<= 1.30.6"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 5.10.0"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 3.3.0; fixed 3.10.8"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 2.2.0; fixed 2.4.8"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.1.19"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.30.7"]}],"null_published_at":"2026-11-08T19:53:33.598Z","source_updated_at":"2026-10-27T15:38:41.000Z","source_disclosed_at":"2026-10-27T15:38:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.643Z"},{"id":"NVI-00006677","kind":"vulnerability","title":"PhpSpreadsheet: SSRF whitelist bypass via unre-validated HTTP redirect in Drawing::setPath external image loading","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-2phh-27fw-q4gc","CVE-2026-108360"],"plain_summary":"GitHub lists this reviewed advisory for phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-a12a14437cd48c779e1b5bb848cf20be"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.10.0 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 3.10.8 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.4.8 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.1.19 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.30.7 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-27T15:38:41.000Z","value":"6.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1dd73de835ad6d9ae6e0e90887ffdff2"},{"kind":"CVSS","as_of":"2026-10-29T12:17:09.500Z","value":"6.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-d1ffdf849dd029e1a8bf3efd343549e2"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.339%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.27352. Missing scores are unknown.","source_id":"sr-a12a14437cd48c779e1b5bb848cf20be"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-1dd73de835ad6d9ae6e0e90887ffdff2","url":"https://github.com/advisories/GHSA-2phh-27fw-q4gc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2phh-27fw-q4gc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-be39f09776a3f4d12cd6231236aa3298","url":"https://github.com/advisories/GHSA-2phh-27fw-q4gc","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-2phh-27fw-q4gc","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.643Z"},{"id":"sr-d1ffdf849dd029e1a8bf3efd343549e2","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108360","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-108360","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:38.141Z"},{"id":"sr-a12a14437cd48c779e1b5bb848cf20be","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-108360","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.373Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 4.0.0, <= 5.9.0"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 3.3.0, <= 3.10.7"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 2.2.0, <= 2.4.7"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 2.0.0, <= 2.1.18"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["<= 1.30.6"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 5.10.0"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 3.3.0; fixed 3.10.8"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 2.2.0; fixed 2.4.8"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.1.19"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.30.7"]}],"null_published_at":"2026-11-07T22:29:23.440Z","source_updated_at":"2026-10-27T15:38:41.000Z","source_disclosed_at":"2026-10-27T15:38:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.643Z"},{"id":"NVI-00006677","kind":"vulnerability","title":"PhpSpreadsheet: SSRF whitelist bypass via unre-validated HTTP redirect in Drawing::setPath external image loading","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2phh-27fw-q4gc","CVE-2026-108360"],"plain_summary":"GitHub lists this reviewed advisory for phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-a12a14437cd48c779e1b5bb848cf20be"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.10.0 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 3.10.8 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.4.8 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.1.19 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.30.7 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-27T15:38:41.000Z","value":"6.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1dd73de835ad6d9ae6e0e90887ffdff2"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.339%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.27352. Missing scores are unknown.","source_id":"sr-a12a14437cd48c779e1b5bb848cf20be"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-1dd73de835ad6d9ae6e0e90887ffdff2","url":"https://github.com/advisories/GHSA-2phh-27fw-q4gc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2phh-27fw-q4gc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-be39f09776a3f4d12cd6231236aa3298","url":"https://github.com/advisories/GHSA-2phh-27fw-q4gc","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-2phh-27fw-q4gc","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.643Z"},{"id":"sr-a12a14437cd48c779e1b5bb848cf20be","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-108360","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.373Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 4.0.0, <= 5.9.0"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 3.3.0, <= 3.10.7"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 2.2.0, <= 2.4.7"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 2.0.0, <= 2.1.18"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["<= 1.30.6"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 5.10.0"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 3.3.0; fixed 3.10.8"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 2.2.0; fixed 2.4.8"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.1.19"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.30.7"]}],"null_published_at":"2026-11-04T02:53:03.179Z","source_updated_at":"2026-10-27T15:38:41.000Z","source_disclosed_at":"2026-10-27T15:38:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.643Z"},{"id":"NVI-00006677","kind":"vulnerability","title":"PhpSpreadsheet: SSRF whitelist bypass via unre-validated HTTP redirect in Drawing::setPath external image loading","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-2phh-27fw-q4gc","CVE-2026-108360"],"plain_summary":"GitHub lists this reviewed advisory for phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet, phpoffice/phpspreadsheet. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 5.10.0 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 3.10.8 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.4.8 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 2.1.19 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 1.30.7 for phpoffice/phpspreadsheet. Confirm the publisher’s latest guidance.","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-27T15:38:41.000Z","value":"6.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-1dd73de835ad6d9ae6e0e90887ffdff2"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-1dd73de835ad6d9ae6e0e90887ffdff2","url":"https://github.com/advisories/GHSA-2phh-27fw-q4gc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-2phh-27fw-q4gc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-be39f09776a3f4d12cd6231236aa3298","url":"https://github.com/advisories/GHSA-2phh-27fw-q4gc","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-2phh-27fw-q4gc","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.643Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 4.0.0, <= 5.9.0"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 3.3.0, <= 3.10.7"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 2.2.0, <= 2.4.7"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":[">= 2.0.0, <= 2.1.18"]},{"certainty":"source_listed","source_ids":["sr-1dd73de835ad6d9ae6e0e90887ffdff2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["<= 1.30.6"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 5.10.0"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 3.3.0; fixed 3.10.8"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 2.2.0; fixed 2.4.8"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 2.0.0; fixed 2.1.19"]},{"certainty":"source_listed","source_ids":["sr-be39f09776a3f4d12cd6231236aa3298"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"## Summary\nPhpSpreadsheet's `Worksheet\\Drawing::setPath()` validates an external-image URL against an operator-supplied `isWhitelisted` callback **once**, on the initial URL only, then fetches it with `file_get_contents()` using a stream context that does **not** set `follow_location => 0`. A whitelisted host that returns an HTTP `302 Location:` redirect to an internal target is therefore followed by PHP's HTTP wrapper (default `follow_location=1`, `max_redirects=20`) with **no re-validation of the redirect hop** — defeating the whitelist and yielding a blind SSRF from the server.\n\nThis is an unfixed variant of CVE-2026-59931 (GHSA-6hq5-7373-42rg, the WEBSERVICE redirect-whitelist-bypass): the `follow_location => 0` fix (commit `7ef7b25e`) was applied ONLY to `Calculation/Web/Service.php`; `Worksheet/Drawing.php` was never touched.\n\n## Root Cause\n`src/PhpSpreadsheet/Worksheet/Drawing.php`:\n- Scheme allowlist at `:125` (`/^(http|https|file|ftp|s3):/`) permits `http`/`https` (the redirect-following schemes) and runs on the initial URL only.\n- Opt-in gate `if (!$allowExternal)` at `:128` (requires `setAllowExternalImages(true)`; default `false`, `BaseReader.php:55`).\n- Whitelist check","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 1.30.7"]}],"null_published_at":"2026-10-31T22:13:27.121Z","source_updated_at":"2026-10-27T15:38:41.000Z","source_disclosed_at":"2026-10-27T15:38:39.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.643Z"}],"next_cursor":null,"snapshot_revision":"42594"}