CVE-2026-75431
48Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 9.1epss 0.8%
from disclosure to weapon0 days
Published on NVDSep 4
1st PoCAug 11
exploitation probability
0.8%top 47% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:N/S:U/UI:N
Affected products
n/a · n/apublic PoCs found — 1
githubgithub.com/unpredictable21/CVE-2026-75431_PowerJob_jwt_key_predictable★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://gist.github.com/unpredictable21/39e6ce22e4bc45b0e553d0fa6a6e4d1chttps://github.com/PowerJob/PowerJob/blob/master/docker-compose.ymlhttps://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-auth/src/main/java/tech/powerjob/server/auth/jwt/impl/DefaultSecretProvider.javahttps://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-auth/src/main/java/tech/powerjob/server/auth/jwt/impl/JwtServiceImpl.javahttps://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-openapi/src/main/java/tech/powerjob/server/openapi/service/impl/OpenApiSecurityServiceImpl.javahttps://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-starter/src/main/resources/application-daily.properties