8.8
HIGH CVSS 3.1
CVE-2026-70431
Jenkins Multijob Plugin Arbitrary Code Execution 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.

INFO

Published Date :

Aug. 5, 2026, 6:17 p.m.

Last Modified :

Aug. 5, 2026, 7:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-70431 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update Jenkins Multijob plugin and restrict item creation/configuration permissions.
  • Update the Multijob plugin to the latest version.
  • Restrict Item/Create and Item/Configure permissions.
  • Review existing Groovy scripts for malicious code.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-70431.

URL Resource
https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3823%20(1)
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-70431 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-70431 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-70431 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-70431 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 05, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-94
    Added SSVC {'id': 'CVE-2026-70431', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-08-05T18:24:58.189763Z'}
  • New CVE Received by [email protected]

    Aug. 05, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Jenkins Project', 'product': 'Jenkins Multijob Plugin', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'maven', 'lessThanOrEqual': '669.v9d96a_d9c71b_0'}], 'defaultStatus': 'unaffected'}]
    Added 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.
    Added Reference https://www.jenkins.io/security/advisory/2026-08-05/#SECURITY-3823%20(1)
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.