{"items":[{"id":"NVI-00002935","kind":"vulnerability","title":"PhpSpreadsheet: XmlScanner Bypass via Double-Encoded unentity() TOCTOU Allows XXE and Denial of Service","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-rxj4-h86g-25gc","CVE-2026-108357"],"plain_summary":"GitHub lists this reviewed advisory for 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-1284a257782ec9dec321630c574becf9"],"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-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"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-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"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":"2026-10-23T22:16:53.180Z","value":"8.8 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-61877539c061e3219db70870b2558ac5"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.463%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.4019. Missing scores are unknown.","source_id":"sr-1284a257782ec9dec321630c574becf9"}],"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-a290f960edc8a5d82a970f844ba83915","url":"https://github.com/advisories/GHSA-rxj4-h86g-25gc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rxj4-h86g-25gc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-2bf4f87ec1c9e6e080f77f1bcf7242a2","url":"https://github.com/advisories/GHSA-rxj4-h86g-25gc","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rxj4-h86g-25gc","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.368Z"},{"id":"sr-61877539c061e3219db70870b2558ac5","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108357","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-108357","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:38.141Z"},{"id":"sr-1284a257782ec9dec321630c574becf9","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-2026-108357","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.775Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a290f960edc8a5d82a970f844ba83915"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":[">= 4.0.0, <= 5.9.0"]},{"certainty":"source_listed","source_ids":["sr-a290f960edc8a5d82a970f844ba83915"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":[">= 3.3.0, <= 3.10.7"]},{"certainty":"source_listed","source_ids":["sr-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 5.10.0"]},{"certainty":"source_listed","source_ids":["sr-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":["ECOSYSTEM: introduced 3.3.0; fixed 3.10.8"]}],"null_published_at":"2026-11-06T00:29:57.314Z","source_updated_at":"2026-10-27T15:38:25.000Z","source_disclosed_at":"2026-10-27T15:38:22.000Z","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":"2026-10-31T21:42:41.368Z"},{"id":"NVI-00002935","kind":"vulnerability","title":"PhpSpreadsheet: XmlScanner Bypass via Double-Encoded unentity() TOCTOU Allows XXE and Denial of Service","revision":3,"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-rxj4-h86g-25gc","CVE-2026-108357"],"plain_summary":"GitHub lists this reviewed advisory for 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-61877539c061e3219db70870b2558ac5"],"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-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"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-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"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":"2026-10-23T22:16:53.180Z","value":"8.8 HIGH (4.0)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-61877539c061e3219db70870b2558ac5"}],"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-a290f960edc8a5d82a970f844ba83915","url":"https://github.com/advisories/GHSA-rxj4-h86g-25gc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rxj4-h86g-25gc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-2bf4f87ec1c9e6e080f77f1bcf7242a2","url":"https://github.com/advisories/GHSA-rxj4-h86g-25gc","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rxj4-h86g-25gc","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.368Z"},{"id":"sr-61877539c061e3219db70870b2558ac5","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-108357","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-108357","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T01:40:38.141Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a290f960edc8a5d82a970f844ba83915"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":[">= 4.0.0, <= 5.9.0"]},{"certainty":"source_listed","source_ids":["sr-a290f960edc8a5d82a970f844ba83915"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":[">= 3.3.0, <= 3.10.7"]},{"certainty":"source_listed","source_ids":["sr-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 5.10.0"]},{"certainty":"source_listed","source_ids":["sr-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":["ECOSYSTEM: introduced 3.3.0; fixed 3.10.8"]}],"null_published_at":"2026-11-02T20:21:10.279Z","source_updated_at":"2026-10-27T15:38:25.000Z","source_disclosed_at":"2026-10-27T15:38:22.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.368Z"},{"id":"NVI-00002935","kind":"vulnerability","title":"PhpSpreadsheet: XmlScanner Bypass via Double-Encoded unentity() TOCTOU Allows XXE and Denial of Service","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-rxj4-h86g-25gc","CVE-2026-108357"],"plain_summary":"GitHub lists this reviewed advisory for 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-a290f960edc8a5d82a970f844ba83915"],"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-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"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-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"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":[],"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-a290f960edc8a5d82a970f844ba83915","url":"https://github.com/advisories/GHSA-rxj4-h86g-25gc","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-rxj4-h86g-25gc","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T21:56:51.534Z"},{"id":"sr-2bf4f87ec1c9e6e080f77f1bcf7242a2","url":"https://github.com/advisories/GHSA-rxj4-h86g-25gc","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-rxj4-h86g-25gc","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:41.368Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-a290f960edc8a5d82a970f844ba83915"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":[">= 4.0.0, <= 5.9.0"]},{"certainty":"source_listed","source_ids":["sr-a290f960edc8a5d82a970f844ba83915"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":[">= 3.3.0, <= 3.10.7"]},{"certainty":"source_listed","source_ids":["sr-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":["ECOSYSTEM: introduced 4.0.0; fixed 5.10.0"]},{"certainty":"source_listed","source_ids":["sr-2bf4f87ec1c9e6e080f77f1bcf7242a2"],"technology":"phpoffice/phpspreadsheet","known_exclusions":[],"conditions_summary":"### Summary\nThe SpreadsheetML XML reader (`Reader\\Xml`) scans file content **twice** through `XmlScanner::scan()`, and each scan runs an `unentity()` callback that calls `html_entity_decode()` **after** the pattern check. By double-encoding the `toUtf8($xml);\n    if (preg_match($pattern, $xml)) {       // CHECK 2 (UTF-8)\n        throw new Exception('Detected use of ENTITY...');\n   ","public_affected_ranges":["ECOSYSTEM: introduced 3.3.0; fixed 3.10.8"]}],"null_published_at":"2026-10-31T22:13:31.275Z","source_updated_at":"2026-10-27T15:38:25.000Z","source_disclosed_at":"2026-10-27T15:38:22.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:41.368Z"}],"next_cursor":null,"snapshot_revision":"42594"}