CVE-2026-84664

5.4 mediumEPSS 0.1%

Medium (5.4). EPSS 0.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS: 0.1% chance of exploitation in the next 30 days; higher than 3% of CVEs (scores of 2026-10-31)
CWEs: CWE-471, CWE-494
Published: 2026-09-02
Modified: 2026-09-03
Record from: the NVD, synced 2026-10-19

References

https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-4097

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