All vulnerabilities
CVE-2026-116826GHSA-qmpm-85pr-3qq8

YesWiki before 4.7.0 Authenticated SSRF via Page Duplication API downloadFile

YesWiki yeswiki
CVSS
8.2High
ExploitationNo 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
Fixed in4.7.0Fixed versionCVE List
Published26 Oct 2026Updated 26 Oct 2026CVE List

What fixes it

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

References 2