CVE-2026-92776

Description

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 pages with matching prefixes, bypassing intended access controls.

References

• 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
• https://github.com/requarks/wiki
• https://github.com/requarks/wiki/blob/v2.5.314/server/core/auth.js#L252-L263
• https://www.vulncheck.com/advisories/wiki-js-through-2.5.314-path-prefix-matching-authorization-bypass