CRITICAL 9.0 NVD

CVE-2026-70426

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 fi

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.

References

https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3911

Published: 2026-08-05 · Source: NVD · Feed updated: 2026-08-05

This critical severity vulnerability with a CVSS score of 9.0 was published on 2026-08-05 via NVD.

Risk Timeline

CVE Disclosed2026-08-05 · -1 days ago

Remediation Resources

Official Advisory

www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3911

vulnfeed aggregates 9344 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.