CVE-2026-104472: Yeswiki

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

YesWiki before 4.6.7 contains a missing authorization vulnerability in the attachment download handler that allows unauthenticated attackers to bypass page read ACLs. Attackers can request the download handler with a known page tag and file parameter to retrieve confidential attachments from read-restricted pages.

Affected products

  • Yeswiki Yeswiki: before 4.6.7 (fixed in 4.6.7)

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