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CVE-2025-59476

MEDIUM
Published 2025-09-17T13:17:48.559Z
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CVSS Score

V3.1
5.3
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
NONE
Integrity
LOW
Availability
NONE

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Jenkins Project

Jenkins

Affected Versions:

2.516.3 2.528

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

Not EU Coordinated

Exploitation Status

No Known Exploitation

EUVD ID

View on ENISA

ENISA Analysis

Malicious code in bioql (PyPI)

Affected Products (ENISA)

jenkins project
jenkins

ENISA Scoring

CVSS Score (3.1)

5.3
/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS Score

0.060
probability

ENISA References

https://www.jenkins.io/security/advisory/2025-09-17/#SECURITY-3424
https://nvd.nist.gov/vuln/detail/CVE-2025-59476
https://github.com/jenkinsci/jenkins

Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Jenkins has a log message injection vulnerability

GHSA-qrh5-jg98-cr48

Advisory Details

In Jenkins 2.527 and earlier, LTS 2.516.2 and earlier, the log formatter that prepares log messages for console output (including `jenkins.log` and equivalent) does not restrict or transform the characters that can be inserted from user-specified content in log messages. This allows attackers able to control log message contents to insert line break characters, followed by forged log messages that may mislead administrators reviewing log output. Jenkins 2.528, LTS 2.516.3 adds an indicator at the beginning of a line that was inserted as part of log message content: `[CR]`, `[LF]`, or `[CRLF]` (representing the kind of line break), followed by `>` .

Affected Packages

Maven org.jenkins-ci.main:jenkins-core
ECOSYSTEM: ≥0 <2.516.3
Maven org.jenkins-ci.main:jenkins-core
ECOSYSTEM: ≥2.517 <2.528

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-59476
PACKAGE https://github.com/jenkinsci/jenkins
WEB https://www.jenkins.io/security/advisory/2025-09-17/#SECURITY-3424

Advisory provided by GitHub Security Advisory Database. Published: September 17, 2025, Modified: September 17, 2025

References

https://www.jenkins.io/security/advisory/2025-09-17/#SECURITY-3424
Published: 2025-09-17T13:17:48.559Z
Last Modified: 2025-09-25T18:37:37.848Z
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