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A arbitrary file read vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in the Stapler web framework's org/kohsuke/stapler/Stapler.java that allows attackers to send crafted HTTP requests returning the contents of any file on the Jenkins master file system that the Jenkins master has access to.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jul 23, 2018 |
| Freebsd | — | Upgrade jenkins-ltsUpgrade jenkins | Dec 10, 2025 | Jul 18, 2018 |
| Jenkins 2018 07 18 | — | Upgrade Jenkins to version 2.133Upgrade Jenkins LTS to the latest versionUpgrade Jenkins to the latest versionUpgrade Jenkins LTS to version 2.121.2 | Aug 10, 2018 | Jul 23, 2018 |
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