CVE-2026-116826GHSA-qmpm-85pr-3qq8
YesWiki before 4.7.0 Authenticated SSRF via Page Duplication API downloadFile
YesWiki yeswiki
CVSS
8.2HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
What fixes it
- 4.7.0yeswikiCVE 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 4.7.0 contains a server-side request forgery vulnerability in DuplicationManager::downloadFile() that allows authenticated administrators to make arbitrary outbound requests via the files array. Attackers can POST file:// or internal URLs to /api/pages/{tag}/duplicate, storing local files, cloud metadata, or database credentials in the publicly accessible files/ directory.
Text from CVE List
Affected versions 2
- yeswikiaffected: all versions before 4.7.0CVE List
- yeswikiunaffected: 4.7.0CVE List