VULNERABILITY INTELLIGENCE
CVE-2026-85583
CVSS score7.1 HIGH
EPSS probability0.64%
CISA KEVNot currently listed
Published2026-09-04
Last modified2026-09-14
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
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.
Weakness classification
- CWE-59: Improper Link Resolution Before File Access ('Link Following')