CVE-2026-72794

CVSS 9.2 (critical) · published 2026-08-12

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.

Weakness: CWE-522

Source: NVD CVE-2026-72794

References

• 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

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