Critical · published May 14, 2025
🚨 A crafty build ID Token could let attackers impersonate trusted jobs in Jenkins, all thanks to some sneaky environment variable overrides! 🔥 Think of it like a chef who can craft a dish using ingredients they secretly swapped out. If they switch out the spices for something else, the whole meal could taste off, and nobody would know until it’s too late! An attacker can forge a build ID Token that looks entirely legitimate, potentially granting them unauthorized access to sensitive external services. This could lead to data breaches, service disruptions, or even complete control over configured jobs. The consequences of this vulnerability could be absolutely devastating!
Think of it like a chef who can craft a dish using ingredients they secretly swapped out. If they switch out the spices for something else, the whole meal could taste off, and nobody would know until it’s too late! This vulnerability in the Jenkins OpenID Connect Provider Plugin allows attackers with job configuration access to generate build ID Tokens using overridden environment variable values, enabling impersonation of trusted jobs.
An attacker can forge a build ID Token that looks entirely legitimate, potentially granting them unauthorized access to sensitive external services. This could lead to data breaches, service disruptions, or even complete control over configured jobs. The consequences of this vulnerability could be absolutely devastating! Immediately upgrade to the latest version of the Jenkins OpenID Connect Provider Plugin to eliminate this vulnerability. Review your job configurations and limit access to sensitive plugins to trusted users only. Regularly audit your environment variable settings to catch any sneaky overrides! You've got this! Follow the steps and bolster your Jenkins security like the hero you are! 🛡️