CVE-2026-84664

State: Published
Severity: 5.4 Medium
Published: Sep 2, 2026
Updated: Sep 2, 2026
Reserved: Sep 1, 2026

Description

Jenkins GitLab Plugin 1.9.16 and earlier allows overwriting the global GitLab connection configuration through Stapler data binding, allowing attackers to connect to an attacker-specified URL using GitLab API tokens already configured by administrators.

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N	CISA-ADP

Weaknesses

CWE-494 Download of Code Without Integrity Check
CWE-471 Modification of Assumed-Immutable Data (MAID)

Affected Products

Product	Versions
Jenkins GitLab PluginJenkins Project	1.9.16 and earlierAffected

References

Jenkins Security Advisory 2026-09-02vendor-advisory

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