CVE-2016-9299: The remoting module in Jenkins before 2.32 and LTS before 2.19.3 allows remote attackers to execute arbitra...

Security readout for executives and security teams

Older Jenkins releases could let a remote attacker run code on the Jenkins system by sending a malicious serialized Java object. For businesses, the risk is control of build infrastructure, secrets, and deployment paths. The provided sources name fixed Jenkins versions but do not provide evidence of active exploitation. Exposure is most likely in organizations still running Jenkins before 2.32 or LTS before 2.19.3. Internet-reachable or broadly accessible Jenkins controllers and remoting interfaces are higher risk. The source bundle lacks CPEs and detailed configuration prerequisites. Treat as urgent for any remaining legacy Jenkins deployment. Jenkins often holds credentials and controls release pipelines, so compromise can affect software delivery and production environments. If all instances are already on fixed versions, residual priority drops to verification and exposure review. Mitigation focus: Upgrade Jenkins to 2.32 or later, or LTS 2.19.3 or later.; Review Jenkins and CloudBees advisory guidance for environment-specific remediation.; Restrict untrusted network access to Jenkins and remoting interfaces until upgraded..

Prepared

Jun 13, 2026, 12:51 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.