Vulnerability · Published Jun 24, 2026 · Assigned by jenkins

CVE-2026-57288

Low 3.7

In plain English

A low-severity security flaw in Jenkins Active Directory Plugin from Jenkins Project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.7Low

Exploit odds (30 days)0.3%top 73.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Maven	org.jenkins-ci.plugins:active-directory	2.41.2	GHSA-gx55-p8g7-p3fh

Affected products (as reported)

Vendor	Product	Versions
Jenkins Project	Jenkins Active Directory Plugin	0 – through 2.41.1

Weakness: CWE-90 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References

Jenkins Security Advisory 2026-06-24 vendor-advisory