CVE-2026-72794

siyuan versions before v3.7.4 expose the session cookie signing key through the /api/system/getConf endpoint to unauthenticated users in publish mode. Attackers can retrieve the CookieKey value and forge valid session cookies to impersonate users or gain administrative access.

CVSS v3 8.6 HIGH

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-34fj-mwm6-fjfg
https://www.vulncheck.com/advisories/siyuan-before-session-cookie-key-disclosure-via-getconf
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-34fj-mwm6-fjfg

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-12 20:17

Updated : 2026-08-26 16:56

NVD link : CVE-2026-72794

Mitre link : CVE-2026-72794

CVE.ORG link : CVE-2026-72794

JSON object : View

Products Affected

No product.

CWE

CWE-522

Insufficiently Protected Credentials

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