Security Advisory

CVE-2026-33476

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-20 22:34:40

Last updated 2026-03-23 21:41:45

Assigner GitHub_M

State PUBLISHED

Description

SiYuan is a personal knowledge management system. Prior to version 3.6.2, the Siyuan kernel exposes an unauthenticated file-serving endpoint under `/appearance/*filepath.` Due to improper path sanitization, attackers can perform directory traversal and read arbitrary files accessible to the server process. Authentication checks explicitly exclude this endpoint, allowing exploitation without valid credentials. Version 3.6.2 fixes this issue.

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