A race condition during Jenkins 2.94 and earlier; 2.89.1 and earlier startup could result in the wrong order of execution of commands during initialization. There is a very short window of time after startup during which Jenkins may no longer show the 'Please wait while Jenkins is getting ready to work' message but Cross-Site Request Forgery (CSRF) protection may not yet be effective.
References:GSA_kwCzR0hTQS05OWhqLXBwZzMtMnh3Y84AATfv
Cross-Site Request Forgery in Jenkins
| Affected Packages | Affected Versions | Fixed Versions | |
|---|---|---|---|
| maven:org.jenkins-ci.main:jenkins-core | >= 2.90, <= 2.94, >= 2.81, <= 2.89.1 | 2.95, 2.89.2 | |
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