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HIGHCVE-2026-23850Published Modified CNA GitHub_M

CVE-2026-23850: SiYuan vulnerable to arbitrary file read

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.

Metrics

CVSS v4.0
7.8
Severity
HIGH
Fixed in
—
Affected Products
1
Affected packages
  • siyuan-note / siyuan
    < 3.5.4
CVSS Vector
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
References