Description
A missing permission check in Jenkins EC2 Fleet Plugin 4.2.3.539.v8fedff2a_81c3 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing AWS credentials stored in Jenkins.
Published: 2026-06-24
Score: 5.4 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 24 Jun 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Jenkins Project
Jenkins Project jenkins Ec2 Fleet Plugin
Vendors & Products Jenkins Project
Jenkins Project jenkins Ec2 Fleet Plugin

Wed, 24 Jun 2026 20:45:00 +0000

Type Values Removed Values Added
Title Missing Permission Check Allows Credential Theft in Jenkins EC2 Fleet Plugin

Wed, 24 Jun 2026 17:15:00 +0000

Type Values Removed Values Added
Title Missing Permission Check Enables Credential Theft via Jenkins EC2 Fleet Plugin
Weaknesses CWE-284
CWE-639

Wed, 24 Jun 2026 16:00:00 +0000

Type Values Removed Values Added
Title Missing Permission Check in Jenkins EC2 Fleet Plugin Enables Credential Theft Missing Permission Check Enables Credential Theft via Jenkins EC2 Fleet Plugin

Wed, 24 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-862
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

ssvc

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

Wed, 24 Jun 2026 15:00:00 +0000

Type Values Removed Values Added
Title Missing Permission Check in Jenkins EC2 Fleet Plugin Enables Credential Theft
Weaknesses CWE-284
CWE-639

Wed, 24 Jun 2026 13:45:00 +0000

Type Values Removed Values Added
Description A missing permission check in Jenkins EC2 Fleet Plugin 4.2.3.539.v8fedff2a_81c3 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing AWS credentials stored in Jenkins.
References

Subscriptions

Jenkins Project Jenkins Ec2 Fleet Plugin
cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published:

Updated: 2026-06-24T14:46:33.242Z

Reserved: 2026-06-24T08:41:44.358Z

Link: CVE-2026-57294

cve-icon Vulnrichment

Updated: 2026-06-24T14:46:26.341Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-24T20:41:04Z

Weaknesses