Vulnerability · Published Oct 2, 2026 · Assigned by VulnCheck
CVE-2026-104438YesWiki before 4.6.7 Information Disclosure via listpagestag and includepages Actions
Medium 5.3
In plain English
A medium-severity missing authorization in yeswiki from YesWiki. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 77.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N