CVE-2026-109309
MEDIUM
NVD
CVSS Score
6.5
Severity
MEDIUM
Published
Oct 12, 2026
Vendor
unknown
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.