CVE-2025-59476
mediumpriority · track · 0EPSS 0.004 · 29 %ileDEEURUUSEPSS · scored 2026-10-22
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (17)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-2086Jenkins: Mehrere SchwachstellenDeutsch2025-09-17csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Jenkins ausnutzen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, und um Dateien zu manipulieren.
- GHSA-qrh5-jg98-cr48Jenkins has a log message injection vulnerability2025-09-17ghsa · osvUS
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 `>` .
- BIT-jenkins-2025-594762025-09-19vendor · osvUS
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.
also known as (6)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://vigilance.fr/vulnerability/Jenkins-Core-LTS-multiple-vulnerabilities-dated-17-09-2025-48247cnnvd
- https://www.jenkins.io/download/Patchcnnvd
- https://www.jenkins.io/security/advisory/2025-09-17/#SECURITY-3424cnnvd
- https://www.jenkins.io/security/advisory/2025-09-17/#SECURITY-3424enisa_euvd
- http://www.openwall.com/lists/oss-security/2025/09/17/1nvd
- https://www.jenkins.io/security/advisory/2025-09-17/#SECURITY-3424Vendor Advisorynvd
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