| Package | Affected versions | Patched versions |
|---|---|---|
| org.jenkins-ci.main:jenkins-core | ≥ 2.542, < 2.551< 2.541.2 | 2.5512.541.2 |
| jenkins | < 2.541.2< 2.551 | 2.541.22.551 |
Jenkins 2.550 and earlier, LTS 2.541.1 and earlier accepts Run Parameter values that refer to builds the user submitting the build does not have access to, allowing attackers with Item/Build and Item/Configure permission to obtain information about the existence of jobs, the existence of builds, and if a specified build exists, its display name.
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