Medium severity6.5NVD Advisory· Published Sep 4, 2026

CVE-2026-85583

Description

SiYuan versions before v3.8.2 contain a path traversal vulnerability in the reader-accessible file-read endpoint that follows symlinks when opening authorized asset paths. Attackers with reader role can request a logical asset under data/assets/ that is a symlink to a file outside the workspace and receive the target file bytes, bypassing workspace boundary restrictions.

Affected products

Siyuan Note/Siyuanllm-fuzzy
Range: <3.8.2

Patches

Vulnerability mechanics

References

github.com/siyuan-note/siyuan/security/advisories/GHSA-g7gf-v79m-jwrmnvd
www.vulncheck.com/advisories/siyuan-before-3.8.2-path-traversal-via-symlink-in-file-apinvd

News mentions

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cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000