SB20260827141 - Information disclosure in 389-ds-base

Description

This security bulletin contains information about 1 vulnerability.

1) LDAP injection (CVE-ID: CVE-2026-11770)

CWE-ID: CWE-90 - Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')

CVSSv4: 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]

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.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://github.com/389ds/389-ds-base/security/advisories/GHSA-56fc-56xp-vrhc
• https://bugzilla.redhat.com/show_bug.cgi?id=2484802