Vulnerability · Published Sep 16, 2026 · Assigned by VulnCheck
CVE-2026-92776Wiki.js through 2.5.314 Path Prefix Matching Authorization Bypass
High 8.1
In plain English
A high-severity incorrect authorization in Wiki.js from requarks. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.4%top 60.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
References
- Researcher write-up, finding 3 technical-description, exploit
- START and END matchers use _.startsWith and _.endsWith with no boundary check technical-description
- https://github.com/requarks/wiki product
- VulnCheck Advisory: Wiki.js through 2.5.314 Path Prefix Matching Authorization Bypass third-party-advisory