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.
Published: 2026-09-08
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Advisories

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History

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

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-08T14:58:56.831Z

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

Link: CVE-2026-79575

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-79575

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-08T16:45:17Z

Weaknesses
  • CWE-327

    Use of a Broken or Risky Cryptographic Algorithm

  • CWE-798

    Use of Hard-coded Credentials