CVE-2026-109309 — SiYuan v3.7.0 before v3.8.6 Arbitrary File Read via Plugin ResponseFile.Path
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.Pat…
Published: 2026-10-12 · CVSS: 6.9 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7