CVE-2026-57294
Received Received - Intake
AWS Credential Exposure via EC2 Fleet Plugin Misconfiguration

Publication date: 2026-06-24

Last updated on: 2026-06-24

Assigner: Jenkins Project

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.
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-2026-57294
EUVD
EUVD-2026-38775
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
jenkinsci ec2_fleet_plugin to 4.2.3.539.v8fedff2a_81c3 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability is a missing permission check in the Jenkins EC2 Fleet Plugin version 4.2.3.539.v8fedff2a_81c3 and earlier. It allows attackers who have Overall/Read permission to 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 in Jenkins.

Impact Analysis

The vulnerability can lead to unauthorized access to AWS credentials stored in Jenkins. Attackers with limited permissions can exploit this flaw to capture sensitive AWS credentials, potentially leading to unauthorized access to AWS resources, data breaches, and further compromise of cloud infrastructure.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-57294. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart