CVE-2026-72794
⚠️ highSummary
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 Score
8.6
High
EPSS Score
-
Published Date
2026-08-12
First Seen: 2026-08-13
📊 Relative Risk Intelligence
This CVE is High Risk - more severe than 80.3% of all 344,170 vulnerabilities in our database.
#67,861
Top 25% most severe
Severity Percentile
🎯 CISA SSVC Assessment Updated: Aug 12, 2026
🔍 Exploitation Status
Poc
Proof-of-concept available
⚙️ Automatable
YES
Can be exploited automatically
💥 Technical Impact
Partial
Limited system impact
🏆 Discovered By
Shirshakhtml (reporter)
SSVC data provided by
CISA
Last Modified
2026-08-12
Source
NVD 🔗
CVSS Vector 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS Vector 4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE IDs (Weakness Types)