SB2026080651 - Multiple vulnerabilities in Jenkins Multijob plugin

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Main Vulnerability Database SB2026080651

SB2026080651 - Multiple vulnerabilities in Jenkins Multijob plugin

Published: August 6, 2026

Security Bulletin ID SB2026080651
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Code Injection (CVE-ID: CVE-2026-70431)

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation within Groovy scripting features. A remote user can execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Cross-site request forgery (CVE-ID: CVE-2026-70432)

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

CVSSv4: 4.8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]


The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote user can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.


Remediation

Install update from vendor's website.

References