Jenkins Active Directory Plugin 2.41.1 and earlier does not escape the user name before building the LDAP search filter in the Windows native (ADSI) authentication path, allowing unauthenticated attackers to inject LDAP wildcard characters to enumerate directory entries and to authenticate as a matching user whose password they know without knowing their exact user name.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

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 ≤ 2.41.1

No data.

No data.

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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/2026-06-24/#SECURITY-3651 cve-icon
History

Wed, 24 Jun 2026 17:15:00 +0000

Type Values Removed Values Added
Title LDAP Wildcard Injection in Jenkins Active Directory Plugin Allows unauthenticated Enumeration and Impersonation
First Time appeared Jenkins Project
Jenkins Project jenkins Active Directory Plugin
Weaknesses CWE-83
Vendors & Products Jenkins Project
Jenkins Project jenkins Active Directory Plugin

Wed, 24 Jun 2026 15:30:00 +0000

Type Values Removed Values Added
Title LDAP Wildcard Injection in Jenkins Active Directory Plugin Allows unauthenticated Enumeration and Impersonation
Weaknesses CWE-83
CWE-90
Metrics cvssV3_1

{'score': 3.7, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'}

ssvc

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

Wed, 24 Jun 2026 13:45:00 +0000

Type Values Removed Values Added
Description Jenkins Active Directory Plugin 2.41.1 and earlier does not escape the user name before building the LDAP search filter in the Windows native (ADSI) authentication path, allowing unauthenticated attackers to inject LDAP wildcard characters to enumerate directory entries and to authenticate as a matching user whose password they know without knowing their exact user name.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: jenkins

Published:

Updated: 2026-06-24T14:14:28.743Z

Reserved: 2026-06-24T08:41:44.358Z

Link: CVE-2026-57288

cve-icon Vulnrichment

Updated: 2026-06-24T14:14:24.709Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-24T17:00:13Z

Weaknesses