Vulnerability 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.
CVSS Score
9.1
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Related Weaknesses (CWE)
References
- https://gist.github.com/unpredictable21/39e6ce22e4bc45b0e553d0fa6a6e4d1c
- https://github.com/PowerJob/PowerJob/blob/master/docker-compose.yml
- https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server
- https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server
- https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server
- https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server
FAQ
What is CVE-2026-75431?
CVE-2026-75431 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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.
How severe is CVE-2026-75431?
CVE-2026-75431 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-75431?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.