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CVE-2026-84651

nvd nist
Published: Sep 2, 2026Modified: Sep 11, 2026

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6.3
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Exploitability: 2.8 / Impact: 3.4
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

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.

Affected (2)

Products: Jenkins: Jenkins
Jenkins
1 product
Jenkins
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Jenkins
Jenkins
Before 2.580
Jenkins
Before 2.568.3

Related CWEs

CWE-284
Improper Access Control
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

References (1)

Source: jenkinsci-cert@googlegroups.com
Vendor Advisory

Timeline

No history available yet.