Missing Authorization Affecting org.jenkins-ci.plugins:ec2-fleet package, versions [,4.2.3.540.va_6eedb_7b_c112)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGJENKINSCIPLUGINS-17756764
- published1 Jul 2026
- disclosed25 Jun 2026
- creditdyingman1 (https://github.com/dyingman1, redpoc Offensive Security Team)
Introduced: 25 Jun 2026
CVE-2026-57294 (opens in a new tab)How to fix?
Upgrade org.jenkins-ci.plugins:ec2-fleet to version 4.2.3.540.va_6eedb_7b_c112 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authorization due to not performing permission checks in several HTTP endpoints that used to validate cloud configurations. This 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. Additionally, these HTTP endpoints do not require POST requests, resulting in a cross-site request forgery (CSRF) vulnerability.