{"id":"CVE-2026-116826","aliases":[],"title":"YesWiki before 4.7.0 Authenticated SSRF via Page Duplication API downloadFile","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directory.","severity":"high","score":8.2,"published":"2026-10-26T23:05:51.286Z","modified":"2026-10-27T14:15:19.006Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://github.com/YesWiki/yeswiki/security/advisories/GHSA-qmpm-85pr-3qq8","https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-authenticated-ssrf-via-page-duplication-api-downloadfile"],"sources":[{"name":"CVE","id":"CVE-2026-116826","modified":"2026-10-27T14:15:19.006Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116826"}],"assessments":[{"source":"CNA","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N","score":8.2},{"source":"CNA","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","score":6.8}]}