Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 10/02/2022. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| org.jenkins-ci.main:jenkins-core | ≥ 2.140, < 2.154< 2.138.4 | 2.1542.138.4 |
| jenkins | ≤ 2.138.3≤ 2.153 | |
| openshift container platform | = 3.11 |
A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in stapler/core/src/main/java/org/kohsuke/stapler/MetaClass.java that allows attackers to invoke some methods on Java objects by accessing crafted URLs that were not intended to be invoked this way.
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