{"id":"CVE-2026-54094","state":"PUBLISHED","title":"File Browser: Symlink following lets scoped users read, overwrite, and share files outside their filebrowser scope","description":"File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.14, it does not stop the HTTP file handlers from following symbolic links before they open, serve, write, share, or list a file. As a result, a scoped user — and in some cases an unauthenticated public-share recipient — can cross the intended scope boundary by following a symlink whose path is lexically inside their scope but whose target is outside it. This vulnerability is fixed in 2.63.14.","publishedAt":"2026-06-25T17:37:14.979Z","updatedAt":"2026-06-25T18:42:35.721Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["filebrowser filebrowser"],"affected":[{"vendor":"filebrowser","product":"filebrowser","versions":[{"version":"< 2.63.14","status":"affected"}]}],"references":["https://github.com/filebrowser/filebrowser/security/advisories/GHSA-239w-m3h6-ch8v"],"weaknesses":["CWE-22","CWE-59"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54094.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54094","state":"PUBLISHED","datePublished":"2026-06-25T17:37:14.979Z","dateUpdated":"2026-06-25T18:42:35.721Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-11T18:44:47.762Z"},"containers":{"cna":{"title":"File Browser: Symlink following lets scoped users read, overwrite, and share files outside their filebrowser scope","descriptions":[{"lang":"en","value":"File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to 2.63.14, it does not stop the HTTP file handlers from following symbolic links before they open, serve, write, share, or list a file. As a result, a scoped user — and in some cases an unauthenticated public-share recipient — can cross the intended scope boundary by following a symlink whose path is lexically inside their scope but whose target is outside it. This vulnerability is fixed in 2.63.14."}],"affected":[{"vendor":"filebrowser","product":"filebrowser","versions":[{"version":"< 2.63.14","status":"affected"}]}],"references":[{"url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-239w-m3h6-ch8v","name":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-239w-m3h6-ch8v","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"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"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-25T17:37:14.979Z"},"source":{"advisory":"GHSA-239w-m3h6-ch8v","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/filebrowser/filebrowser/security/advisories/GHSA-239w-m3h6-ch8v","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-25T18:41:21.135107Z","id":"CVE-2026-54094","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-25T18:42:35.721Z"}}]}}}