Vulnerability record · CVE-2026-79575 · published 8 September 2026

CVE-2026-79575: The JWT signing secret in yfexam-exam v2.0 is derived from the username and the current month instead of a ran…

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.

7.5 CVSS 3.1 High EPSS 0.42% · top 66.7% CWE-330 · CWE-330 Deferred

7.5CVSS 3.1 base score

0.42%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

2References

9 Sep 2026Last modified by NVD

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.

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

References

Link	Tags
https://github.com/fangtang7/CVE/blob/main/yf-exam/JWT.md
https://github.com/fangtang7/CVE/blob/main/yf-exam/JWT.md

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Source: NIST National Vulnerability Database (record CVE-2026-79575), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.