Vulnerability in Gauzy Ever
CVE-2023-53951
Ever Gauzy v0.281.9 contains a JWT authentication vulnerability that allows attackers to exploit weak HMAC secret key implementation. Attackers can leverage the exposed JWT token to authenticate and gain unauthorized access with administrative permissions.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (27.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000
Affected products
- Gauzy Ever — versions 0.281.9
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/51354 (exploit)
- github.com/ever-co/ever-gauzy (product)
- www.vulncheck.com/advisories/ever-gauzy-jwt-authentication-weakness-via-hmac-se… (third-party-advisory)
Frequently asked questions
- What is CVE-2023-53951?
- CVE-2023-53951 is a critical-severity vulnerability in Gauzy Ever, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2025-12-19.
- How severe is CVE-2023-53951?
- Critical severity. CVSS v3 base score is 9.8 out of 10.