CVE-2023-53951

CRITICAL 9.8

Ever Gauzy v0.281.9 JWT Authentication Weakness via HMAC Secret

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-347
Vendor	gauzy
Product	ever gauzy
Published	Dec 19, 2025
Last Updated	Apr 7, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Gauzy / ever gauzy

0.281.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/51354 github.com: https://github.com/ever-co/ever-gauzy vulncheck.com: https://www.vulncheck.com/advisories/ever-gauzy-jwt-authentication-weakness-via-hmac-secret

Credits

nu11secur1ty