CVE-2026-104444: Yeswiki

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

YesWiki before 4.6.7 contains an authorization bypass vulnerability in the comments API editComment route that allows authenticated low-privilege users to overwrite arbitrary pages or comments by supplying their own page as the pagetag field. Attackers can send a POST request to the api/comments endpoint targeting a victim tag, bypassing per-page write ACLs to replace content and reparent existing pages or comments.

Affected products

  • Yeswiki Yeswiki: before 4.6.7 (fixed in 4.6.7)

Published 2026-10-02. Last modified 2026-10-02.