Jenkins

This detection rule identifies suspicious child process executions originating from web server processes on Linux systems, indicating that attackers may have exploited web application vulnerabilities such as command injection or remote file inclusion to establish persistence or execute malicious commands.

This brief describes how attackers exploit vulnerabilities in web applications to execute suspicious shell commands via web server processes on Linux, enabling persistence, discovery, credential access, and reverse shell establishment, which can lead to full system compromise and data exfiltration.

Identifies suspicious command executions via a web server on Linux systems, which may suggest a vulnerability and remote shell access.

Multiple vulnerabilities exist in Jenkins Plugins that could allow an attacker to disclose information, manipulate files, conduct cross-site scripting attacks, execute arbitrary code, and bypass security measures.

Jenkins released a security advisory on April 29, 2026, detailing vulnerabilities in Credentials Binding Plugin, GitHub Plugin, GitHub Branch Source Plugin, HTML Publisher Plugin, Matrix Authorization Strategy Plugin, Microsoft Entra ID Plugin, and Script Security Plugin, urging users to apply necessary updates.