LDAP Injection in Suitecrm

CVE-2026-33289

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.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.3th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-33289: held from 0.007 to 0.008.

EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.002

Affected products

  • Suitecrm — versions < 7.15.1, >= 8.0.0, < 8.9.3

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-33289?
CVE-2026-33289 is a high-severity vulnerability in Suitecrm, classified under LDAP Injection. CVSS score: 8.8/10. Published 2026-03-20.
How severe is CVE-2026-33289?
High severity. CVSS v3 base score is 8.8 out of 10.