A cross-site request forgery (CSRF) vulnerability in Jenkins EC2 Fleet Plugin 4.2.3.539.v8fedff2a_81c3 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing AWS credentials stored in Jenkins.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Jenkins Project Jenkins EC2 Fleet Plugin unaffected
Version Status Constraints
0 affected ≤ 4.2.3.539.v8fedff2a_81c3

No data.

No data.

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Vendors Products
Jenkins Project Subscribe
Jenkins Ec2 Fleet Plugin Subscribe

Project Subscriptions

Vendors Products
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Jenkins Ec2 Fleet Plugin Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3774 cve-icon
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 Cross‑Site Request Forgery Allows Retrieval of Stored AWS Credentials in Jenkins EC2 Fleet Plugin

Wed, 24 Jun 2026 18:15:00 +0000

Type Values Removed Values Added
Title Cross‑Site Request Forgery in Jenkins EC2 Fleet Plugin Leading to AWS Credentials Exposure
Weaknesses CWE-200

Wed, 24 Jun 2026 16:30:00 +0000

Type Values Removed Values Added
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 15:30:00 +0000

Type Values Removed Values Added
Title Cross‑Site Request Forgery in Jenkins EC2 Fleet Plugin Leading to AWS Credentials Exposure
Weaknesses CWE-200
CWE-352

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

Type Values Removed Values Added
Description A cross-site request forgery (CSRF) vulnerability in Jenkins EC2 Fleet Plugin 4.2.3.539.v8fedff2a_81c3 and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing AWS credentials stored in Jenkins.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published:

Updated: 2026-06-24T15:16:42.103Z

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

Link: CVE-2026-57295

cve-icon Vulnrichment

Updated: 2026-06-24T15:16:24.145Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-24T20:41:03Z

Weaknesses