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VulnerabilityPublished

CVE-2026-117624: Jenkins

Affects JenkinsSource CVE Database V5

0

Not known to be exploited.

Data as of 28 Oct 2026, 17:22 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Jenkins ProjectJenkinsAffected–Fixed in–

Description

A vulnerability in Jenkins versions 2.587 and earlier, including LTS 2.580.1 and earlier, allows attackers to bypass the root element check during deserialization of certain configuration objects. This occurs because Jenkins does not consistently enforce restrictions on deserializing objects marked as storing their configuration in independent top-level files when they appear as nested values. This flaw could enable injection of nested objects.

References

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