Vulnerability · Published Dec 19, 2025 · Assigned by VulnCheck
CVE-2023-53951Ever Gauzy v0.281.9 JWT Authentication Weakness via HMAC Secret
Critical 9.8
In plain English
A critical-severity security flaw in ever gauzy from Gauzy. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.4%top 70.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Gauzy | ever gauzy | 0.281.9 |
Weakness: CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- ExploitDB-51354 exploit
- Official Product Homepage product
- VulnCheck Advisory: Ever Gauzy v0.281.9 JWT Authentication Weakness via HMAC Secret third-party-advisory