What is CVE-2026-70431?

CVE-2026-70431 is a high-severity vulnerability in Jenkins Project Multijob Plugin, classified under Code Injection. CVSS score: 8.8/10. Published 2026-08-05.

How severe is CVE-2026-70431?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Jenkins Project Multijob Plugin

CVE-2026-70431

Jenkins Multijob Plugin 669.v9d96a_d9c71b_0 and earlier provides Groovy scripting features that do not integrate with Script Security Plugin, allowing attackers with Item/Create or Item/Configure permission to execute arbitrary code in the…

Vulnerability class: RCE (Remote Code Execution)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jenkins Project Multijob Plugin — versions 0

Weakness classification (CWE)

CWE-94 — Code Injection

References

jenkinsci-cert@googlegroups.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-70431?: CVE-2026-70431 is a high-severity vulnerability in Jenkins Project Multijob Plugin, classified under Code Injection. CVSS score: 8.8/10. Published 2026-08-05.
How severe is CVE-2026-70431?: High severity. CVSS v3 base score is 8.8 out of 10.