CVE-2025-67635

org.jenkins-ci.main/jenkins-core: Jenkins HTTP connection mis-handling

Published Dec 10, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-9p56-p6mw-w8qc Jenkins has a Denial of service vulnerability in HTTP-based CLI
History
Type Values Removed Values Added
Weaknesses CWE-400
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

ssvc

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

Type Values Removed Values Added
Weaknesses CWE-400
Metrics ssvc

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

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
Type Values Removed Values Added
Title org.jenkins-ci.main/jenkins-core: Jenkins HTTP connection mis-handling
Weaknesses CWE-459
References
Metrics threat_severity

None

threat_severity

Moderate

Type Values Removed Values Added
First Time appeared Jenkins
Jenkins jenkins
Vendors & Products Jenkins
Jenkins jenkins
Type Values Removed Values Added
Weaknesses CWE-404
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

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

Type Values Removed Values Added
Description 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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
jenkins
Published
Updated
Dec 16, 2025, 1:36 PM
Reserved
Dec 9, 2025, 5:33 PM
Status
Analyzed
Published
Dec 10, 2025, 5:15 PM
Modified
Oct 14, 2026, 9:10 PM
Severity
Moderate
Public date
Dec 10, 2025, 4:50 PM