CVE-2026-75431

CRITICAL 9.1

CVSS Score

9.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	n/a
Product	n/a
Published	Sep 4, 2026
Last Updated	Sep 4, 2026

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CVSS v3 Breakdown

CVSS:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:N/S:U/UI:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Affected Versions

n/a / n/a

n/a

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/PowerJob/PowerJob/blob/master/docker-compose.yml github.com: https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-auth/src/main/java/tech/powerjob/server/auth/jwt/impl/DefaultSecretProvider.java github.com: https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-auth/src/main/java/tech/powerjob/server/auth/jwt/impl/JwtServiceImpl.java github.com: https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-openapi/src/main/java/tech/powerjob/server/openapi/service/impl/OpenApiSecurityServiceImpl.java github.com: https://github.com/PowerJob/PowerJob/blob/master/powerjob-server/powerjob-server-starter/src/main/resources/application-daily.properties gist.github.com: https://gist.github.com/unpredictable21/39e6ce22e4bc45b0e553d0fa6a6e4d1c