PT-2026-51804 · Jenkins · Ec2 Fleet Plugin

CVE-2026-57294

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Published

2026-06-24

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Updated

2026-06-24

CVSS v3.1

5.4

Medium

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Name of the Vulnerable Software and Affected Versions Jenkins EC2 Fleet Plugin versions prior to 4.2.3.539.v8fedff2a 81c3
Description A missing permission check allows users with Overall/Read permission to force the system to connect to an arbitrary URL. By using credentials IDs obtained through other means, an attacker can capture AWS credentials stored within Jenkins.
Recommendations Update Jenkins EC2 Fleet Plugin to a version later than 4.2.3.539.v8fedff2a 81c3.

Fix

Missing Authorization

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Weakness Enumeration

Related Identifiers

CVE-2026-57294

Affected Products

Ec2 Fleet Plugin