CVE-2025-59476

jenkins: Log message injection vulnerability

Published Sep 17, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Analysis

No analysis available yet

Remediation

No remediation available yet

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-29721 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.
Github GHSA Github GHSA GHSA-qrh5-jg98-cr48 Jenkins has a log message injection vulnerability
History
Type Values Removed Values Added
CPEs cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Jenkins
Jenkins jenkins
Vendors & Products Jenkins
Jenkins jenkins
Type Values Removed Values Added
Title jenkins: Log message injection vulnerability
Weaknesses CWE-117
References
Metrics threat_severity

None

cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

threat_severity

Moderate

Type Values Removed Values Added
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.
References
Weaknesses
  • CWE-117

    Improper Output Neutralization for Logs

Sources

Status
PUBLISHED
Assigner
jenkins
Published
Updated
Nov 4, 2025, 9:13 PM
Reserved
Sep 16, 2025, 4:16 PM
Status
Modified
Published
Sep 17, 2025, 2:15 PM
Modified
Jun 17, 2026, 9:46 AM
Severity
Moderate
Public date
Sep 17, 2025, 1:17 PM