All vulnerabilities
CVE-2026-117613

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not restrict item types in collections after deserialization, allowing attackers with access to POST config.xml API endpoints to submit crafted

Jenkins Project JenkinsApplications & CMS
Open in ThreatlineRecord JSON
CVSS
NoneNot scored
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published28 Oct 2026Updated 28 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

Jenkins 2.587 and earlier, LTS 2.580.1 and earlier does not restrict item types in collections after deserialization, allowing attackers with access to POST config.xml API endpoints to submit crafted config.xml files that can lead to, e.g., stored cross-site scripting (XSS) vulnerabilities.

Text from CVE List

Affected versions 2

  • Jenkinsunaffected: 2.588 and laterCVE List
  • Jenkinsunaffected: 2.580.2 before 2.580.*CVE List

References 1