{"id":"CVE-2026-109309","published":"2026-10-12T17:17:25.380","lastModified":"2026-10-13T17:17:25.237","description":"SiYuan v3.7.0 before v3.8.6 contains an absolute path traversal vulnerability in the kernel's private plugin HTTP server, which passes a kernel plugin handler's ResponseFile.Path to gin's Context.File without validation. Attackers supplying a malicious kernel plugin can return an absolute path to read any file readable by the SiYuan process, including the API token and conf.json.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cwes":["CWE-22"],"vendors":[],"products":[],"references":[{"url":"https://github.com/siyuan-note/siyuan/commit/c6494375ea40ee973f430f0e85d50f1862a30d81","tags":[]},{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-phmw-4rgv-r4xv","tags":[]},{"url":"https://www.vulncheck.com/advisories/siyuan-3.7.0-before-3.8.6-arbitrary-file-read-via-plugin-responsefile-path","tags":[]}],"exploitRefs":[{"url":"https://github.com/siyuan-note/siyuan/commit/c6494375ea40ee973f430f0e85d50f1862a30d81","tags":[]},{"url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-phmw-4rgv-r4xv","tags":[]}],"hasPoc":true,"ai":null}