CVE-2025-59476

Medium

Description

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductJenkins
PublishedSep 17, 2025
First seenSep 17, 2025
Weakness typeCWE-117CWE-117

How to fix

Update
  • jenkins jenkins2.516.3, 2.528 or later
  • org.jenkins-ci.main:jenkins-core2.516.3, 2.528 or later

Affected products

ProductAffected versionsFixed in
jenkins jenkinsv < 2.516.3, v < 2.5282.516.3, 2.528
org.jenkins-ci.main:jenkins-coreMavenv < 2.516.3, 2.517 ≤ v < 2.5282.516.3, 2.528

Check your version

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