{"id":"CVE-2026-92776","title":"Wiki.js through 2.5.314 fails to require path separators when matching START and END page rules, allowing attackers to access pages sharing a prefix with authorized folders","summary":"Wiki.js through 2.5.314 fails to require path separators when matching START and END page rules, allowing attackers to access pages sharing a prefix with authorized folders. Users granted access to a folder can read and modify unrelated …","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","cwe":["CWE-863"],"vendor":"requarks","product":"Wiki.js","affected":["Wiki.js <= 2.5.314"],"published":"2026-09-16","updated":"2026-09-18","sourceUpdated":"2026-09-18T19:17:21.223","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92776","references":[{"url":"https://github.com/geo-chen/oss/blob/main/wiki.md#finding-3-page-permission-rule-engine-grants-readwrite-access-to-any-page-whose-path-shares-a-literal-prefix-with-an-allowed-path-no-path-segment-boundary-check","label":"disclosure@vulncheck.com"},{"url":"https://github.com/requarks/wiki","label":"disclosure@vulncheck.com"},{"url":"https://github.com/requarks/wiki/blob/v2.5.314/server/core/auth.js#L252-L263","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/wiki-js-through-2.5.314-path-prefix-matching-authorization-bypass","label":"disclosure@vulncheck.com"},{"url":"https://github.com/geo-chen/oss/blob/main/wiki.md#finding-3-page-permission-rule-engine-grants-readwrite-access-to-any-page-whose-path-shares-a-literal-prefix-with-an-allowed-path-no-path-segment-boundary-check","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-09-18T18:32:08.354141Z"},"epss":0.0025,"epssPercentile":0.16678,"ingestedAt":"2026-09-16T21:05:36.892Z","slug":"CVE-2026-92776","body":"## Overview\n\nWiki.js through 2.5.314 fails to require path separators when matching START and END page rules, allowing attackers to access pages sharing a prefix with authorized folders. Users granted access to a folder can read and modify unrelated pages with matching prefixes, bypassing intended access controls.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":57,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[{"seq":207432,"id":"CVE-2026-92776","ts":1789757360644,"field":"exploit_available","old":"false","new":"true"}]}