{"id":"CVE-2026-116826","published":"2026-10-27T00:17:18.343","lastModified":"2026-10-27T00:17:18.590","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.","cvssScore":6.8,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","cwes":["CWE-918"],"vendors":[],"products":[],"references":[{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-qmpm-85pr-3qq8","tags":[]},{"url":"https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-authenticated-ssrf-via-page-duplication-api-downloadfile","tags":[]}],"exploitRefs":[{"url":"https://github.com/YesWiki/yeswiki/security/advisories/GHSA-qmpm-85pr-3qq8","tags":[]}],"hasPoc":true,"ai":null}