CVE-2026-57288

EUVD-2026-38768
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.
LDAP Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
jenkinsCNA
3.7 LOW
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
jenkinsactive_directory
𝑥
≤ 2.41.1
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://www.jenkins.io/security/advisory/2026-06-24/#SECURITY-3651