The JWT signing secret in yfexam-exam v2.0 is derived from the username and the current month instead of a random server-side key, making the secret key easily obtainable via a bruteforce attack.
History

Thu, 10 Sep 2026 06:00:00 +0000

Type Values Removed Values Added
Title JWT Signing Secret Derived from Username and Current Month Enables Brute‑Force Extraction
Weaknesses CWE-327
CWE-798

Wed, 09 Sep 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-330
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 17:00:00 +0000

Type Values Removed Values Added
Title JWT Signing Secret Derived from Username and Current Month Enables Brute‑Force Extraction
Weaknesses CWE-327
CWE-798

Tue, 08 Sep 2026 15:15:00 +0000

Type Values Removed Values Added
Description The JWT signing secret in yfexam-exam v2.0 is derived from the username and the current month instead of a random server-side key, making the secret key easily obtainable via a bruteforce attack.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-09-08T00:00:00.000Z

Updated: 2026-09-09T14:58:42.915Z

Reserved: 2026-08-25T00:00:00.000Z

Link: CVE-2026-79575

cve-icon Vulnrichment

Updated: 2026-09-09T14:58:32.679Z

cve-icon NVD

Status : Deferred

Published: 2026-09-08T15:18:48.300

Modified: 2026-09-09T16:04:24.933

Link: CVE-2026-79575

cve-icon Redhat

No data.