CVE-2026-29105 SuiteCRM has Unauthenticated Open Redirect in Leads WebToLead Capture

Medium 5.4 Published 19 Mar 2026 Updated 20 Mar 2026

Attackers can redirect users to malicious sites via unvalidated POST parameters in WebToLead, enabling phishing attacks against SuiteCRM users.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-29105?

CVE-2026-29105 is a medium-severity vulnerability in SuiteCRM, published on 19 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

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, SuiteCRM contains an unauthenticated open redirect vulnerability in the WebToLead capture functionality. A user-supplied POST parameter is used as a redirect destination without validation, allowing attackers to redirect victims to arbitrary external websites. This vulnerability allows attackers to abuse the trusted SuiteCRM domain for phishing and social engineering attacks by redirecting users to malicious external websites. Versions 7.15.1 and 8.9.3 patch the issue.

Weakness: CWE-601

Which versions are affected by CVE-2026-29105?

It affects 1 product.

Products include Suitecrm Suitecrm.

How do I fix CVE-2026-29105?

No fix has been published for CVE-2026-29105 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-29105 being exploited?

There is no known exploitation of CVE-2026-29105 in the wild and no public exploit code.

Sources

Also known as GHSA-9crg-83cg-wv74.