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.
References (6)
Core 6
Core References
Exploit, Patch, Vendor Advisory x_refsource_confirm
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cv54-7wv7-qxcw
Issue Tracking, Patch x_refsource_misc
https://github.com/siyuan-note/siyuan/issues/16860
Patch x_refsource_misc
https://github.com/siyuan-note/siyuan/commit/b2274baba2e11c8cf8901b0c5c871e5b27f1f6dd
Patch x_refsource_misc
https://github.com/siyuan-note/siyuan/commit/f8f4b517077b92c90c0d7b51ac11be1b34b273ad
Product x_refsource_misc
https://github.com/siyuan-note/siyuan/blob/master/kernel/model/file.go#L1035
Product x_refsource_misc
https://github.com/siyuan-note/siyuan/blob/v3.4.2/kernel/api/filetree.go#L799-L886
Scores
CVSS v3
7.5
EPSS
0.0009
EPSS Percentile
25.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-22
Status
published
Products (2)
b3log/siyuan
< 3.5.4
siyuan-note/siyuan
0 - 0.0.0-20260118092326-b2274baba2e1Go
Published
Jan 19, 2026
Tracked Since
Feb 18, 2026