CVE-2023-53951

9.3 criticalEPSS 0.4%

Critical (9.3). EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

9.3 critical

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

9.8 critical

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWE: CWE-347
Published: 2025-12-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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

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