CVE-2026-33289: SuiterCRM has LDAP Filter Injection in Authentication Module
SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Prior to versions 7.15.1 and 8.9.3, an LDAP Injection vulnerability exists in the SuiteCRM authentication flow. The application fails to properly sanitize user-supplied input before embedding it into the LDAP search filter. By injecting LDAP control characters, an unauthenticated attacker can manipulate the query logic, which can lead to authentication bypass or information disclosure. Versions 7.15.1 and 8.9.3 patch the issue.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-33289?
CVE-2026-33289 has a high severity level due to its potential for LDAP Filter Injection exploitation.
How do I fix CVE-2026-33289?
To fix CVE-2026-33289, upgrade SuiteCRM to version 7.15.1 or higher, or 8.9.3 or higher.
What systems are affected by CVE-2026-33289?
CVE-2026-33289 affects SuiteCRM versions prior to 7.15.1 and 8.9.3.
What is LDAP Filter Injection in the context of CVE-2026-33289?
LDAP Filter Injection in CVE-2026-33289 occurs when an attacker can manipulate LDAP queries, leading to unauthorized access.
Is there a workaround for CVE-2026-33289 before upgrading?
There are no specific workarounds for CVE-2026-33289; upgrading to a patched version is strongly recommended.