Jenkins Pipeline: Groovy Plugin 3990.vd281dd77a_388 and earlier, except 3975.3977.v478dd9e956c3 does not check whether the main (Jenkinsfile) script for a rebuilt build is approved, allowing attackers with Item/Build permission to rebuild a previous build whose (Jenkinsfile) script is no longer approved.
The product does not validate or incorrectly validates the integrity check values or “checksums” of a message. This may prevent it from detecting if the data has been modified or corrupted in transmission.