by Kastro
Paper/Archive/CVE-2026-75431

CVE-2026-75431

mitre — PowerJob Server version 5.1.2 (and likely earlier) uses a predictable JWT signing key for HS256-based authentication.

EPSS 1%CVSS 9.1
critical.is priorityof 100
40
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 64.9.649 × 2013.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA

Scores by source

mitre (CNA)9.1CVSS:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:N/S:U/UI:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/PowerJob/PowerJob/blob/master/docker-compose.ymlrefgithub.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-auth/src/main/java/tech/powerjob/server/auth/jwt/impl/DefaultSecretProvider.javarefgithub.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-auth/src/main/java/tech/powerjob/server/auth/jwt/impl/JwtServiceImpl.javarefgithub.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-openapi/src/main/java/tech/powerjob/server/openapi/service/impl/OpenApiSecurityServiceImpl.javarefgithub.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-starter/src/main/resources/application-daily.propertiesrefgist.github.com/unpredictable21/39e6ce22e4bc45b0e553d0fa6a6e4d1c