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Vulnerability record · CVE-2026-84645 · published 2 September 2026

CVE-2026-84645: Jenkins code injection vulnerability

Jenkins · Jenkins

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, objects of types marked as storing their configuration in independent top-level configuration files in Jenkins (such as the global configuration and jobs) can appear as nested field values in user-submitted `config.xml` documents and subsequently handle HTTP requests via Stapler, resulting in remote code execution.

8.8 CVSS 3.1 High EPSS 0.79% · top 45.5% CWE-94 · Code injectionCWE-915 · Mass assignment
8.8CVSS 3.1 base score
0.79%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
11 Sep 2026Last modified by NVD

Description

In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, objects of types marked as storing their configuration in independent top-level configuration files in Jenkins (such as the global configuration and jobs) can appear as nested field values in user-submitted `config.xml` documents and subsequently handle HTTP requests via Stapler, resulting in remote code execution.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.jenkins.io/security/advisory/2026-09-02/#SECURITY-3972 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-84645), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.