Main Vulnerability Database Vulnerabilities #VU115756

Input validation error in Jenkins and Jenkins LTS - CVE-2025-59476

Published: September 18, 2025

Vulnerability identifier: #VU115756

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-59476

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the log message injection issue. A remote attacker able to control log message contents can insert line break characters.

Affected software

Jenkins
Jenkins LTS

How to mitigate CVE-2025-59476

Install updates from vendor's website.

Jenkins - update to 2.528
Jenkins LTS - update to 2.516.3

External References

https://www.jenkins.io/security/advisory/2025-09-17/#SECURITY-3424

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