Security Advisory

CVE-2026-82650

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-30 14:33:32

Last updated 2026-08-31 16:42:46

Assigner VulnCheck

CVSS score 5.9

State PUBLISHED

Description

SiYuan 3.8.0 contains a path traversal / sensitive file exposure vulnerability in the RenderTemplate function (kernel/model/template.go), reachable via the POST /api/template/render endpoint (kernel/api/template.go). The endpoint restricts the supplied path only to the workspace directory (util.IsAbsPathInWorkspace) but, unlike the file API's refuseToAccess() blocklist, applies no sensitive-path exclusion. This allows an authenticated attacker to read sensitive workspace files, including conf/conf.json, which contains the API token and cookie signing key. The issue is fixed in v3.8.1.

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