cve.bz

CVE-2026-72794

9.2 criticalEPSS 0.3%

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 4.0
9.2CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
CVSS 3.1
8.6CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS
0.3% chance of exploitation in the next 30 days; higher than 25% of CVEs (scores of 2026-10-25)
CWE
CWE-522
Published
Modified
Record from
the NVD, synced

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-34fj-mwm6-fjfgGogithub.com/siyuan-note/siyuan/kernel<0.0.0-20260725123945-77421530be4a0.0.0-20260725123945-77421530be4a
GO-2026-6420Gogithub.com/siyuan-note/siyuan/kernel<0.0.0-20260725123945-77421530be4a0.0.0-20260725123945-77421530be4a

References

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