Jenkins Active Directory Plugin 2.41 and earlier deserializes data from LDAP referrals without validation.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0099.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Jenkins Project Jenkins Active Directory Plugin unaffected
Version Status Constraints
0 affected ≤ 2.41

Configuration 1 [-]

cpe:2.3:a:jenkins:active_directory:*:*:*:*:*:jenkins:*:*

No data.

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No data.

Project Subscriptions

Vendors Products
Jenkins Subscribe
Active Directory Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.jenkins.io/security/advisory/2026-05-27/#SECURITY-3659 cve-icon cve-icon
History

Thu, 28 May 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Jenkins
Jenkins active Directory
CPEs cpe:2.3:a:jenkins:active_directory:*:*:*:*:*:jenkins:*:*
Vendors & Products Jenkins
Jenkins active Directory

Wed, 27 May 2026 21:45:00 +0000

Type Values Removed Values Added
Title Jenkins Active Directory Plugin Untrusted Deserialization Vulnerability

Wed, 27 May 2026 17:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-502
Metrics cvssV3_1

{'score': 6.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 27 May 2026 15:15:00 +0000

Type Values Removed Values Added
Description Jenkins Active Directory Plugin 2.41 and earlier deserializes data from LDAP referrals without validation.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published:

Updated: 2026-05-27T15:47:35.773Z

Reserved: 2026-05-26T14:50:46.812Z

Link: CVE-2026-48919

cve-icon Vulnrichment

Updated: 2026-05-27T15:47:26.408Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-27T15:16:31.547

Modified: 2026-05-28T17:14:34.727

Link: CVE-2026-48919

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-27T21:30:34Z

Weaknesses