CVE-2026-104472GHSA-7cj2-9pgf-vcw2
YesWiki before 4.6.7 Missing Authorization via Attachment Download Handler
YesWiki yeswiki
CVSS
8.7HighExploitationPublic 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)0.34%Chance of exploitation activity in the next 30 days, higher than 26% 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 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.
Text from CVE List
Affected versions 2
- yeswikiaffected: all versions before 4.6.7CVE List
- yeswikiunaffected: 4.6.7CVE List