LDAP injection in 389-ds-base - CVE-2026-11770
Published: August 27, 2026
Vulnerability identifier: #VU145996
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-11770
CWE-ID: CWE-90
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive server configuration metadata.
The vulnerability exists due to ldap injection in the CleanAllRUV replication status-check extended operation when processing crafted LDAP search filters. A remote attacker can inject LDAP search filters to disclose sensitive server configuration metadata.
The search is performed against cn=config with elevated replication plugin privileges and returns a boolean match result, which can expose replication bind DNs and password storage scheme information.
Affected software
389-ds-base
How to mitigate CVE-2026-11770
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.