LDAP injection in Active Directory - CVE-2026-57288
Published: June 29, 2026
Vulnerability identifier: #VU135739
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-57288
CWE-ID: CWE-90
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to improper input validation when processing DLAP queries. A remote attacker can send a specially crafted LDAP query to the application, bypass authentication process and gain unauthorized access to sensitive information.
Affected software
Active Directory
How to mitigate CVE-2026-57288
Install updates from vendor's website.
Active Directory - update to 2.41.2