CVE-2026-109309

MediumCVSS 6.5/10Last modified Oct 13, 2026

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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-22

Affected software

No affected versions have been published.

Timeline

Published
Oct 12, 2026
Last modified
Oct 13, 2026
NVD status
Deferred

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