Unscored severity · published Oct 28, 2026
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…
New
–
CVSS
–
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JE
Jenkins · Jenkins
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-117613
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-117613
www.jenkins.io
https://www.jenkins.io/security/advisory/2026-10-28/#SECURITY-4225
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