Path Traversal in B3log Siyuan
CVE-2026-32938
SiYuan is a personal knowledge management system. In versions 3.6.0 and below, the /api/lute/html2BlockDOM on the desktop copies local files pointed to by file:// links in pasted HTML into the workspace assets directory without validating…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.004 (33.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:H.
Affected products
- B3log Siyuan
- Siyuan-note Siyuan — versions < 3.6.1
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-32938?
- CVE-2026-32938 is a critical-severity vulnerability in B3log Siyuan, classified under Path Traversal. CVSS score: 9.9/10. Published 2026-03-20.
- How severe is CVE-2026-32938?
- Critical severity. CVSS v3 base score is 9.9 out of 10.