CVE-2026-104467GHSA-v527-6r4j-j2w2
YesWiki before 4.6.7 Authorization Bypass via Public API Mode
YesWiki yeswiki
CVSS
9.2CriticalExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 2 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.37%Chance of exploitation activity in the next 30 days, higher than 29% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 4.6.7yeswikiCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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.
Text from CVE List
Affected versions 2
- yeswikiaffected: all versions before 4.6.7CVE List
- yeswikiunaffected: 4.6.7CVE List