CVE-2026-116682

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-116682", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-26T20:00:59.829Z", "datePublished": "2026-10-27T17:48:04.364Z", "dateUpdated": "2026-11-02T19:38:28.867Z"}, "containers": {"cna": {"title": "FileBrowser Quantum: Symlink following escapes user scope allowing arbitrary file read outside the served directory", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-59", "lang": "en", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-mgqf-5mf5-prfj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-mgqf-5mf5-prfj"}, {"name": "https://github.com/gtsteffaniak/filebrowser/pull/2795", "tags": ["x_refsource_MISC"], "url": "https://github.com/gtsteffaniak/filebrowser/pull/2795"}, {"name": "https://github.com/gtsteffaniak/filebrowser/pull/2800", "tags": ["x_refsource_MISC"], "url": "https://github.com/gtsteffaniak/filebrowser/pull/2800"}, {"name": "https://github.com/gtsteffaniak/filebrowser/commit/3c8c02414eefd3351ffe437fa39ff6eb150ffa67", "tags": ["x_refsource_MISC"], "url": "https://github.com/gtsteffaniak/filebrowser/commit/3c8c02414eefd3351ffe437fa39ff6eb150ffa67"}, {"name": "https://github.com/gtsteffaniak/filebrowser/commit/4126edeb07a015c3809a89249b283e07a4e50c38", "tags": ["x_refsource_MISC"], "url": "https://github.com/gtsteffaniak/filebrowser/commit/4126edeb07a015c3809a89249b283e07a4e50c38"}, {"name": "https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.5.2-stable", "tags": ["x_refsource_MISC"], "url": "https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.5.2-stable"}, {"name": "https://github.com/gtsteffaniak/filebrowser/releases/tag/v2.0.1-beta", "tags": ["x_refsource_MISC"], "url": "https://github.com/gtsteffaniak/filebrowser/releases/tag/v2.0.1-beta"}], "affected": [{"vendor": "gtsteffaniak", "product": "filebrowser", "versions": [{"version": "< 1.5.2-stable", "status": "affected"}, {"version": ">= 2.0.0-beta, < 2.0.1-beta", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-27T17:48:04.364Z"}, "descriptions": [{"lang": "en", "value": "FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.5.2-stable and 2.0.1-beta, file read handling in backend/pkg/indexing/indexingFiles.go resolves symbolic links through GetRealPath without confirming that the resolved target remains inside the source root and the user's authorized scope. Download, preview, media, OnlyOffice, and public-share read flows that enable FollowSymlinks can therefore serve an out-of-scope target through a reachable in-scope symlink. An authenticated user with download access can read server-accessible files outside the assigned scope, and a holder of a public share link can do the same without an account when the shared directory exposes such a symlink. This issue is fixed in 1.5.2-stable and 2.0.1-beta."}], "source": {"advisory": "GHSA-mgqf-5mf5-prfj", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-mgqf-5mf5-prfj", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-02T19:38:05.734594Z", "id": "CVE-2026-116682", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-02T19:38:28.867Z"}}]}}

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{"affected": [{"affectedData": [{"product": "filebrowser", "vendor": "gtsteffaniak", "versions": [{"status": "affected", "version": "< 1.5.2-stable"}, {"status": "affected", "version": ">= 2.0.0-beta, < 2.0.1-beta"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "FileBrowser Quantum is a free, self-hosted, web-based file manager. Prior to 1.5.2-stable and 2.0.1-beta, file read handling in backend/pkg/indexing/indexingFiles.go resolves symbolic links through GetRealPath without confirming that the resolved target remains inside the source root and the user's authorized scope. Download, preview, media, OnlyOffice, and public-share read flows that enable FollowSymlinks can therefore serve an out-of-scope target through a reachable in-scope symlink. An authenticated user with download access can read server-accessible files outside the assigned scope, and a holder of a public share link can do the same without an account when the shared directory exposes such a symlink. This issue is fixed in 1.5.2-stable and 2.0.1-beta."}], "id": "CVE-2026-116682", "lastModified": "2026-11-02T20:17:32.797", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-116682", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-02T19:38:05.734594Z", "version": "2.0.3"}}]}, "published": "2026-10-27T18:17:36.003", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/gtsteffaniak/filebrowser/commit/3c8c02414eefd3351ffe437fa39ff6eb150ffa67"}, {"source": "security-advisories@github.com", "url": "https://github.com/gtsteffaniak/filebrowser/commit/4126edeb07a015c3809a89249b283e07a4e50c38"}, {"source": "security-advisories@github.com", "url": "https://github.com/gtsteffaniak/filebrowser/pull/2795"}, {"source": "security-advisories@github.com", "url": "https://github.com/gtsteffaniak/filebrowser/pull/2800"}, {"source": "security-advisories@github.com", "url": "https://github.com/gtsteffaniak/filebrowser/releases/tag/v1.5.2-stable"}, {"source": "security-advisories@github.com", "url": "https://github.com/gtsteffaniak/filebrowser/releases/tag/v2.0.1-beta"}, {"source": "security-advisories@github.com", "url": "https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-mgqf-5mf5-prfj"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/gtsteffaniak/filebrowser/security/advisories/GHSA-mgqf-5mf5-prfj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}, {"lang": "en", "value": "CWE-59"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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