CVE-2026-92776

HIGH 8.1

Wiki.js through 2.5.314 Path Prefix Matching Authorization Bypass

CVSS Score

8.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-863
Vendor	requarks
Product	wiki.js
Published	Sep 16, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

requarks / Wiki.js

0 ≤ 2.5.314

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

George Chen