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.
Published: 2026-10-28
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

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

Subscriptions

Jenkins Jenkins
Jenkins Project Jenkins
cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published:

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

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

Link: CVE-2026-117613

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-117613

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-28T19:00:23Z

Weaknesses
  • CWE-502

    Deserialization of Untrusted Data

  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')