VULNERABILITY INTELLIGENCE

CVE-2026-85578

CVSS score7.1 HIGH
EPSS probability0.38%
CISA KEVNot currently listed
Published2026-09-04
Last modified2026-10-08
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 through 3.8.1 contains an authorization bypass vulnerability in the /api/file/getFile endpoint that allows readers to retrieve files from notebooks explicitly configured as Visible:false. Attackers with reader role can access private workspace files including notebook metadata and internal configuration by knowing the hidden notebook identifier and file path.

Weakness classification

  • CWE-862: Missing Authorization

Primary references