CVE-2026-70432
Jenkins · Multijob Plugin
A cross-site request forgery (CSRF) vulnerability in the Jenkins Multijob Plugin allows attackers to perform unauthorized actions on behalf of authenticated users.
Executive summary
A CSRF vulnerability in the Jenkins Multijob Plugin could allow attackers to execute unauthorized commands by leveraging an authenticated user session.
Vulnerability
This is a cross-site request forgery (CSRF) vulnerability affecting the Jenkins Multijob Plugin. An attacker can trick an authenticated user into performing unintended actions within the plugin, potentially leading to unauthorized configuration changes or job executions.
Business impact
The CVSS score of 8.8 highlights the severity of this issue, as it could lead to the hijacking of administrative actions within Jenkins. Successful exploitation may result in unauthorized modifications to build processes or the exposure of internal system configurations, significantly impacting development security.
Remediation
Immediate Action: Consult the Jenkins security advisory for the latest guidance and apply the necessary plugin updates as soon as they are released.
Proactive Monitoring: Review web server and Jenkins application logs for suspicious requests that originate from unexpected sources or referrers.
Compensating Controls: Ensure all users are logged out of active sessions when not in use and consider implementing a Web Application Firewall (WAF) to filter malicious cross-site requests.
Exploitation status
Public Exploit Available: No confirmed public exploit available.
Analyst recommendation
Due to the nature of CSRF attacks, this vulnerability is highly dependent on user interaction. Security teams should prioritize patching and ensure that users are educated on the risks of accessing external links while maintaining active administrative sessions.