Jenkins Project Remoting vulnerabilities

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Published CVEs affecting Jenkins Project Remoting: 1 record(s), with affected versions and fixes.

CVE-2026-70426 Critical · 9.0 CWE-502 Aug 5, 2026

Deserialization of Untrusted Data in Jenkins Project Jenkins

In Remoting 3384.v60d89463d9e0 and earlier, except 3355.3357.v931d3c992987, included in Jenkins 2.575 and earlier, LTS 2.568.1 and earlier, the JEP-200 class filter is not applied to classes resolved via a fallback path in the Remoting deserialization implementation, allowing agent processes, code running on agents, and attackers with Agent/Connect permission to bypass the JEP-200 deserialization filter for classes on the Jenkins core classpath.