CVE-2025-67635: High severity Jenkins Jenkins vulnerability

Published Dec 10, 2025
·
Updated

Jenkins 2.540 and earlier, LTS 2.528.2 and earlier does not properly close HTTP-based CLI connections when the connection stream becomes corrupted, allowing unauthenticated attackers to cause a denial of service.

Affected Software

8 affected componentsFixes available
Jenkins Jenkins<2.540
Jenkins Jenkins LTS<2.528.2
maven/org.jenkins-ci.main:cli<2.528.3
2.528.3
maven/org.jenkins-ci.main:jenkins-core<2.528.3
2.528.3
maven/org.jenkins-ci.main:cli>=2.529<2.541
2.541
maven/org.jenkins-ci.main:jenkins-core>=2.529<2.541
2.541
Jenkins Jenkins<2.528.3
Jenkins Jenkins<2.541

Event History

Dec 10, 2025
CVE Published
via MITRE·04:50 PM
Data Sourced
via MITRE·04:50 PM
Description
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software
Advisory Published
via GitHub·06:30 PM
Data Sourced
via GitHub·06:30 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-67635?

CVE-2025-67635 is classified as a denial of service vulnerability that allows unauthenticated attackers to disrupt Jenkins services.

2

How do I fix CVE-2025-67635?

To fix CVE-2025-67635, upgrade Jenkins to version 2.541 or later, or LTS version 2.528.3 or later.

3

What versions are affected by CVE-2025-67635?

CVE-2025-67635 affects Jenkins versions up to 2.540 and LTS versions up to 2.528.2.

4

What impact does CVE-2025-67635 have on my Jenkins instance?

CVE-2025-67635 can cause a denial of service by allowing attackers to exploit corrupted HTTP-based CLI connections.

5

Is CVE-2025-67635 exploitable remotely?

Yes, CVE-2025-67635 can be exploited remotely due to the nature of the vulnerability allowing unauthenticated access.

Company

Resources

Contact

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