CVE-2026-85578

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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8ggq-wq3f-vxrw
https://www.vulncheck.com/advisories/siyuan-through-3.8.1-authorization-bypass-via-getfile

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-04 12:17

Updated : 2026-09-14 14:17

NVD link : CVE-2026-85578

Mitre link : CVE-2026-85578

CVE.ORG link : CVE-2026-85578

JSON object : View

Products Affected

No product.

CWE

CWE-862

Missing Authorization

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