CVE-2026-70426

critical · 9

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.

CVSS

0.3%

EPSS (exploit prob.)

24th

EPSS percentile

2026-08-05

Published

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Weaknesses

CWE-502

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-70426