CVE-2026-79575CWE-330

CVE-2026-79575

High · published September 8, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
34.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00416 · 34.8th percentile
Weakness
CWE-330 · Use of Insufficiently Random Values
Published
2026-09-08T19:18Z
References (2)
https://github.com/fangtang7/CVE/blob/main/yf-exam/JWT.md · [email protected]https://github.com/fangtang7/CVE/blob/main/yf-exam/JWT.md · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 10 SEP 03:18Z
    EPSS moved — → 0%
    epss
  • 08 SEP 00:00Z
    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…
    cvelistv5