Vulnerability · Published Oct 2, 2026 · Assigned by VulnCheck
CVE-2026-104467YesWiki before 4.6.7 Authorization Bypass via Public API Mode
High 8.1
In plain English
A high-severity missing authorization in yeswiki from YesWiki. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.4%top 69.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
YesWiki before 4.6.7 contains an authorization bypass vulnerability in ApiService::isAuthorized() that allows unauthenticated attackers to call admin-only API routes when public API mode is enabled. Attackers can send requests to endpoints like api/ci/update_config and api/archives to overwrite configuration and list, download, or delete backup archives.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-v527-6r4j-j2w2) vendor-advisory
- VulnCheck Advisory: YesWiki before 4.6.7 Authorization Bypass via Public API Mode third-party-advisory