SEPTEMBER 13, 2026
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Case File

CVE-2026-84651

MEDIUM · CVSS 6.3 EPSS 0.25%

Source: NVD + CISA KEV + EPSS · Published 2026-09-02 · Last synced 2026-09-13

CyberRota Analysis

AI-Generated

Jenkins versions 2.579 and earlier, as well as LTS 2.568.2 and earlier, are vulnerable due to insufficient validation in their REST API and CLI endpoints, allowing an attacker with Agent/Configure permissions to overwrite the configuration of a different agent by specifying its name in the submitted XML. This flaw can lead to unauthorized access to sensitive information, including the inbound agent secret and environment variables of the targeted agent. Organizations using affected Jenkins versions should prioritize remediation to prevent potential agent takeovers and unauthorized access to their CI/CD environments.

CVE
CVE-2026-84651
Severity
MEDIUM
CVSS
6.3
EPSS
0.25%
Jenkins

Original NVD Description

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the REST API and CLI endpoints for updating agent configuration do not prevent a submitted configuration from overwriting a different agent by specifying that agent's name in the submitted XML document, allowing attackers with Agent/Configure permission on one agent to take over a different agent, gaining control of its configuration and obtaining access to its inbound agent secret and environment variables.

Related CVEs

Other vulnerabilities affecting the same vendor(s)