CVE-2026-104438GHSA-hx4v-hjvg-9p6w
YesWiki before 4.6.7 Information Disclosure via listpagestag and includepages Actions
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)0.30%Chance of exploitation activity in the next 30 days, higher than 21% 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 listpagestag and includepages actions of the tags tool, which enumerate pages without applying read-ACL filtering. Unauthenticated or unprivileged attackers can embed these actions with a chosen tag or page name to disclose the names and body-derived titles of ACL-restricted pages.
Text from CVE List
Affected versions 2
- yeswikiaffected: all versions before 4.6.7CVE List
- yeswikiunaffected: 4.6.7CVE List