CVE-2026-75431CWE-321

CVE-2026-75431

Critical · published September 4, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
53.3
In the wild
Unconfirmed
What it is

PowerJob Server version 5.1.2 (and likely earlier) uses a predictable JWT signing key for HS256-based authentication. This allows a remote attacker to execute arbitrary code.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00772 · 53.3th percentile
Weakness
CWE-321 · Use of Hard-coded Cryptographic Key
Published
2026-09-04T20:17Z
References (6)
https://gist.github.com/unpredictable21/39e6ce22e4bc45b0e553d0fa6a6e4d1c · [email protected]https://github.com/PowerJob/PowerJob/blob/master/docker-compose.yml · [email protected]https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-auth/src/main/java/tech/powerjob/server/auth/jwt/impl/DefaultSecretProvider.java · [email protected]https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-auth/src/main/java/tech/powerjob/server/auth/jwt/impl/JwtServiceImpl.java · [email protected]https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-openapi/src/main/java/tech/powerjob/server/openapi/service/impl/OpenApiSecurityServiceImpl.java · [email protected]https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-starter/src/main/resources/application-daily.properties · [email protected]
EPSS history
Timeline
  • 06 SEP 03:33Z
    EPSS moved — → 1%
    epss
  • 04 SEP 00:00Z
    PowerJob Server version 5.1.2 (and likely earlier) uses a predictable JWT signing key for HS256-based authentication
    cvelistv5