Input validation error in Jenkins and Jenkins LTS - CVE-2025-59476
Published: September 18, 2025
Vulnerability identifier: #VU115756
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2025-59476
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Jenkins
Affected software:
Jenkins
Jenkins LTS
Jenkins
Jenkins LTS
Detailed vulnerability description
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.
How to mitigate CVE-2025-59476
Install updates from vendor's website.