CVE-2026-84645: high-severity vulnerability in Jenkins
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.8%
from disclosure to weapon3 days
Published on NVDSep 2
1st PoC+3d
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
Jenkins Project · Jenkinspublic PoCs found — 1
githubgithub.com/mhtsec/CVE-2026-84645★ 2⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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