CVE-2026-57295
Received Received - Intake
CSRF in Jenkins EC2 Fleet Plugin Allows AWS Credential Theft

Publication date: 2026-06-24

Last updated on: 2026-06-24

Assigner: Jenkins Project

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.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-06-24
Last Modified
2026-06-24
Generated
2026-06-24
AI Q&A
2026-06-24
EPSS Evaluated
N/A
NVD
CVE-2026-57295
EUVD
EUVD-2026-38776
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
jenkinsci ec2_fleet_plugin to 4.2.3.539.v8fedff2a_81c3 (exc)
jenkinsci ec2_fleet_plugin 4.2.3.539.v8fedff2a_81c3
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-352 The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a cross-site request forgery (CSRF) issue found in the Jenkins EC2 Fleet Plugin version 4.2.3.539.v8fedff2a_81c3 and earlier. It allows attackers to exploit the plugin by making Jenkins connect to a URL specified by the attacker using credentials IDs that the attacker has obtained through other means. This enables the attacker to capture AWS credentials stored within Jenkins.

Impact Analysis

The impact of this vulnerability is that an attacker can gain unauthorized access to AWS credentials stored in Jenkins. This can lead to unauthorized actions within your AWS environment, such as accessing, modifying, or deleting resources, potentially causing data breaches, service disruptions, or financial loss.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-57295. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart