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.
History

Mon, 02 Nov 2026 19:15:00 +0000

Type Values Removed Values Added
Title Jenkins Config.xml Deserialization Allows Stored XSS via POST API

Mon, 02 Nov 2026 17:15:00 +0000

Type Values Removed Values Added
Title Unrestricted Deserialization of config.xml Enables Stored XSS via POST API
Weaknesses CWE-79

Mon, 02 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}


Wed, 28 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Title Unrestricted Deserialization of config.xml Enables Stored XSS via POST API
First Time appeared Jenkins
Jenkins jenkins
Jenkins Project
Jenkins Project jenkins
Weaknesses CWE-502
CWE-79
Vendors & Products Jenkins
Jenkins jenkins
Jenkins Project
Jenkins Project jenkins

Wed, 28 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
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.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published: 2026-10-28T16:48:29.684Z

Updated: 2026-11-05T17:33:16.687Z

Reserved: 2026-10-27T13:10:56.913Z

Link: CVE-2026-117613

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2026-10-28T17:18:20.640

Modified: 2026-11-05T18:17:04.257

Link: CVE-2026-117613

cve-icon Redhat

No data.