Moole Vulnerability Database

Find real vulnerabilities before they ship

High

CVE-2026-23850

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.

VectorNETWORK

PublishedJan 19, 2026, 20:15

Published Bysecurity-advisories@github.com

Base Score

Score7.5

Affected Versions

Package (Ecosystem)IntroducedFixedLimit

github.com/siyuan-note/siyuan/kernel(Go)00.0.0-20260118092326-b2274baba2e1N/A

References

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

Weakness Type

CWE-22

CVSS Metrics

Base Score

7.8

Vector String

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Base SeverityHigh

Version

4.0

Attack Vector (AV)

NETWORK