CVE-2026-57297 Jenkins Project CVE debrief

Who should care

Users of Jenkins Contrast Continuous Application Security Plugin 3.11 and earlier should apply the vendor advisory to prevent potential unauthorized connections. This includes administrators and security teams responsible for managing Jenkins environments and ensuring the security of their Continuous Application Security Plugin deployments. Additionally, operators and platform teams may need to review and update their configurations to mitigate this vulnerability.

Technical summary

A missing permission check in Jenkins Contrast Continuous Application Security Plugin 3.11 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using an attacker-specified username, API key, and service key. The vulnerability has a CVSS score of 4.3 and is classified as CWE-862. This issue enables attackers to potentially bypass security restrictions and interact with external systems without proper authorization, which could lead to further malicious activities.

Defensive priority

Apply vendor advisory to prevent potential unauthorized connections. Restrict access to the plugin to only trusted users and networks. Monitor plugin usage and logs for potential suspicious activity.

Recommended defensive actions

• Apply the vendor advisory to update Jenkins Contrast Continuous Application Security Plugin to a version that includes the fix.
• Restrict access to the plugin to only trusted users and networks.
• Monitor plugin usage and logs for potential suspicious activity.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Evidence notes

The CVE record and NVD detail provide evidence of the vulnerability and its impact. The vendor advisory provides mitigation steps. Evidence is limited to public sources and may not reflect the full scope or details of the vulnerability. Defenders should verify the affected plugin versions and apply the vendor advisory to ensure mitigation. Additional verification may be necessary to confirm the vulnerability's impact on specific environments.

Official resources