SB2026090455 - Multiple vulnerabilities in Jenkins Script Security plugin

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Main Vulnerability Database SB2026090455

SB2026090455 - Multiple vulnerabilities in Jenkins Script Security plugin

Published: September 4, 2026

Security Bulletin ID SB2026090455
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2026-84658)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the affected plugin uses the "@DataBoundConstructor" annotation on a constructor that loads script approval configuration. A remote user can read that configuration.


2) Missing Authorization (CVE-ID: CVE-2026-84659)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the affected plugin does not enforce a permission check in the method that controls the "Force the use of the sandbox globally in the system" setting. A remote user can disable it through Stapler data binding.


Remediation

Install update from vendor's website.

References