Description
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.
References6
- gist.github.com/unpredictable21/39e6ce22e4bc45b0e553d0fa6a6e4d1c
- github.com/PowerJob/PowerJob/blob/master/docker-compose.yml
- github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerj…
- github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerj…
- github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerj…
- github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerj…
Metrics
- CVSS 3.1
-
9.1
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - EPSS — exploit probability
- 1% percentile: 65 · as of 4 November 2026
- CWE
- CWE-321
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.