CVE-2026-33289 SuiterCRM has LDAP Filter Injection in Authentication Module

High 8.8 Published 19 Mar 2026 Updated 20 Mar 2026

Unauthenticated attackers can bypass authentication or disclose information via LDAP injection in SuiteCRM's login module.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-33289?

CVE-2026-33289 is a high-severity authentication bypass vulnerability in SuiteCRM, published on 19 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-90

Which versions are affected by CVE-2026-33289?

It affects 1 product.

Products include Suitecrm Suitecrm.

How do I fix CVE-2026-33289?

No fix has been published for CVE-2026-33289 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-33289 being exploited?

There is no known exploitation of CVE-2026-33289 in the wild and no public exploit code.

Sources

Also known as GHSA-26vx-rj47-x599.