CVE-2026-70431 — HIGH (8.8)

Vulnerability Description

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 context of the Jenkins controller JVM.

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-94

References

https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3823%20(1)

FAQ

What is CVE-2026-70431?

CVE-2026-70431 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 perm...

How severe is CVE-2026-70431?

CVE-2026-70431 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-70431?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.