{"items":[{"id":"NVI-00002561","kind":"vulnerability","title":"Sharp is Vulnerable to Path Traversal via Unsanitized Extension in FileUtil","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-9ffq-6457-8958","CVE-2026-33686"],"plain_summary":"OSV carries this publisher advisory for code16/sharp. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 9.20.0 for code16/sharp. Confirm the publisher’s latest guidance.","source_ids":["sr-1d599bcf8f998a0f7c664ed2949c332d"],"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":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-6d4b4dee2a78a64ddc4f1ea59b8b2f74"],"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}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T10:37:55.513Z","value":"8.8 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-6b0e6861e9321e4ff2622109fc0d87db"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.557%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.46459. Missing scores are unknown.","source_id":"sr-6d4b4dee2a78a64ddc4f1ea59b8b2f74"}],"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-1d599bcf8f998a0f7c664ed2949c332d","url":"https://github.com/advisories/GHSA-9ffq-6457-8958","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9ffq-6457-8958","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.685Z"},{"id":"sr-6b0e6861e9321e4ff2622109fc0d87db","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33686","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-33686","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:23:23.484Z"},{"id":"sr-6d4b4dee2a78a64ddc4f1ea59b8b2f74","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-2026-33686","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.377Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1d599bcf8f998a0f7c664ed2949c332d"],"technology":"code16/sharp","known_exclusions":[],"conditions_summary":"### Summary\nA path traversal vulnerability exists in the FileUtil class of the code16/sharp package. The application fails to sanitize file extensions properly, allowing path separators to be passed into the storage layer.\n\n### Detail\nIn `src/Utils/FileUtil.php`, the `FileUtil::explodeExtension()` function extracts a file's extension by splitting the filename at the last dot. However, the extracted extension is never sanitized. While the application uses a `normalizeName()` function, this function only cleans the base filename, meaning any path separators (such as /) injected into the extension will survive and be passed into the `storeAs()` function.\n\n### Impact\nExploiting this flaw allows an authenticated attacker to manipulate file paths:\n- Files can be written outside of the intended tmp directory via path traversal. For more details on the package, visit: https://github.com/code16/sharp\n- Existing critical files (such as .env or configuration files) could potentially be overwritten. Review the CWE definition here: https://cwe.mitre.org/data/definitions/22.html (Note: This vulnerability was successfully chained with CWE-434 in a local Proof of Concept to confirm the traversal.)","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.20.0"]}],"null_published_at":"2026-11-02T20:21:10.318Z","source_updated_at":"2026-03-27T21:49:58.767Z","source_disclosed_at":"2026-03-25T20:01:04.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:10.685Z"},{"id":"NVI-00002561","kind":"vulnerability","title":"Sharp is Vulnerable to Path Traversal via Unsanitized Extension in FileUtil","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9ffq-6457-8958","CVE-2026-33686"],"plain_summary":"OSV carries this publisher advisory for code16/sharp. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 9.20.0 for code16/sharp. Confirm the publisher’s latest guidance.","source_ids":["sr-1d599bcf8f998a0f7c664ed2949c332d"],"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":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-6d4b4dee2a78a64ddc4f1ea59b8b2f74"],"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}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.557%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.46459. Missing scores are unknown.","source_id":"sr-6d4b4dee2a78a64ddc4f1ea59b8b2f74"}],"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-1d599bcf8f998a0f7c664ed2949c332d","url":"https://github.com/advisories/GHSA-9ffq-6457-8958","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9ffq-6457-8958","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.685Z"},{"id":"sr-6d4b4dee2a78a64ddc4f1ea59b8b2f74","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-2026-33686","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.377Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1d599bcf8f998a0f7c664ed2949c332d"],"technology":"code16/sharp","known_exclusions":[],"conditions_summary":"### Summary\nA path traversal vulnerability exists in the FileUtil class of the code16/sharp package. The application fails to sanitize file extensions properly, allowing path separators to be passed into the storage layer.\n\n### Detail\nIn `src/Utils/FileUtil.php`, the `FileUtil::explodeExtension()` function extracts a file's extension by splitting the filename at the last dot. However, the extracted extension is never sanitized. While the application uses a `normalizeName()` function, this function only cleans the base filename, meaning any path separators (such as /) injected into the extension will survive and be passed into the `storeAs()` function.\n\n### Impact\nExploiting this flaw allows an authenticated attacker to manipulate file paths:\n- Files can be written outside of the intended tmp directory via path traversal. For more details on the package, visit: https://github.com/code16/sharp\n- Existing critical files (such as .env or configuration files) could potentially be overwritten. Review the CWE definition here: https://cwe.mitre.org/data/definitions/22.html (Note: This vulnerability was successfully chained with CWE-434 in a local Proof of Concept to confirm the traversal.)","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.20.0"]}],"null_published_at":"2026-11-01T19:14:01.575Z","source_updated_at":"2026-03-27T21:49:58.767Z","source_disclosed_at":"2026-03-25T20:01:04.000Z","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":"2026-10-31T21:42:10.685Z"},{"id":"NVI-00002561","kind":"vulnerability","title":"Sharp is Vulnerable to Path Traversal via Unsanitized Extension in FileUtil","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9ffq-6457-8958","CVE-2026-33686"],"plain_summary":"OSV carries this publisher advisory for code16/sharp. 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This report has not examined your application.","related_sources":[{"id":"sr-1d599bcf8f998a0f7c664ed2949c332d","url":"https://github.com/advisories/GHSA-9ffq-6457-8958","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-9ffq-6457-8958","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:10.685Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-1d599bcf8f998a0f7c664ed2949c332d"],"technology":"code16/sharp","known_exclusions":[],"conditions_summary":"### Summary\nA path traversal vulnerability exists in the FileUtil class of the code16/sharp package. The application fails to sanitize file extensions properly, allowing path separators to be passed into the storage layer.\n\n### Detail\nIn `src/Utils/FileUtil.php`, the `FileUtil::explodeExtension()` function extracts a file's extension by splitting the filename at the last dot. However, the extracted extension is never sanitized. While the application uses a `normalizeName()` function, this function only cleans the base filename, meaning any path separators (such as /) injected into the extension will survive and be passed into the `storeAs()` function.\n\n### Impact\nExploiting this flaw allows an authenticated attacker to manipulate file paths:\n- Files can be written outside of the intended tmp directory via path traversal. For more details on the package, visit: https://github.com/code16/sharp\n- Existing critical files (such as .env or configuration files) could potentially be overwritten. Review the CWE definition here: https://cwe.mitre.org/data/definitions/22.html (Note: This vulnerability was successfully chained with CWE-434 in a local Proof of Concept to confirm the traversal.)","public_affected_ranges":["ECOSYSTEM: introduced 0; fixed 9.20.0"]}],"null_published_at":"2026-10-31T22:00:33.894Z","source_updated_at":"2026-03-27T21:49:58.767Z","source_disclosed_at":"2026-03-25T20:01:04.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:10.685Z"}],"next_cursor":null,"snapshot_revision":"42594"}