Description

SiYuan is a personal knowledge management system. In versions prior to 3.5.4, the markdown feature allows unrestricted server side html-rendering which allows arbitrary file read (LFD). Version 3.5.4 fixes the issue.

INFO

Published Date :

2026-01-19T19:52:58.615Z

Last Modified :

2026-01-20T20:05:16.346Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-23850 vulnerability.

Vendors Products
B3log
  • Siyuan
Siyuan
  • Siyuan
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-23850.

URL Resource
https://github.com/siyuan-note/siyuan/blob/master/kernel/model/file.go#L1035 cve-icon cve-icon
https://github.com/siyuan-note/siyuan/blob/v3.4.2/kernel/api/filetree.go#L799-L886 cve-icon cve-icon
https://github.com/siyuan-note/siyuan/commit/b2274baba2e11c8cf8901b0c5c871e5b27f1f6dd cve-icon cve-icon
https://github.com/siyuan-note/siyuan/commit/f8f4b517077b92c90c0d7b51ac11be1b34b273ad cve-icon cve-icon
https://github.com/siyuan-note/siyuan/issues/16860 cve-icon cve-icon
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cv54-7wv7-qxcw cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact