CVE-2026-72794

Critical

Open

TLP:CLEAR

siyuan before v3.7.4 Session Cookie Key Disclosure via getConf

NVD CVE.org

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Description

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.

Details

CVSS Score: 9.2
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Confidence: 90%
Published: Aug 12, 2026
Last Modified: Aug 12, 2026

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