CVE-2026-70426
Critical · 9.0CVSS
9.0
EPSS
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Published
Aug 5, 2026
CISA due date
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The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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