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CVE-2025-59476

medium CVSS 5.3 EPSS 0.4%

Jenkins 2.527 and earlier, LTS 2.516.2 and earlier does not restrict or transform the characters that can be inserted from user-specified content in log messages, allowing attackers able to control log message contents to insert line break characters, followed by forged log messages that may mislead administrators reviewing log output.

Versions it affects

Software versions checked with the free lookup that CVE-2025-59476 applies to, and the release that fixes it where the sources name one.

Jenkins 1.509 fixed in 2.516.3

At a glance

Severity
Medium
CVSS base score
5.3 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
0.4% probability of exploitation in the next 30 days, higher than 28% of scored vulnerabilities
Weakness
CWE-117
Published
2025-09-17
NVD CVE.org

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