CVE-2026-92776
Severity CVSS v4.0:
HIGH
Type:
Unavailable / Other
Publication date:
16/09/2026
Last modified:
24/09/2026
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.
Impact
Base Score 4.0
8.60
Severity 4.0
HIGH
Base Score 3.x
8.10
Severity 3.x
HIGH
References to Advisories, Solutions, and Tools
- 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
- 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