Mautic Form Submission Endpoint /form/submit redirect

Summaryinfo

A vulnerability was found in Mautic. It has been rated as problematic. The impacted element is an unknown function of the file /form/submit of the component Form Submission Endpoint. This manipulation causes redirect. This vulnerability appears as CVE-2026-115196. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in Mautic (version unknown) and classified as problematic. Affected by this vulnerability is an unknown function of the file /form/submit of the component Form Submission Endpoint. The manipulation with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect integrity. The summary by CVE is:

An Open Redirect vulnerability exists in the public form submission endpoint (/form/submit) of Mautic. After a form is submitted, the application redirects the visitor to a return address supplied with the submission without verifying that it points to the Mautic instance or another trusted host. An unauthenticated attacker can exploit this to send visitors from a legitimate Mautic domain to an arbitrary external website, for example to phishing pages that imitate the original landing page or to sites that deliver malware. Any Mautic instance with a published form is affected. Exploitation requires the victim to submit a form prepared by the attacker.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-115196 since 10/22/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/26/2026). MITRE ATT&CK project uses the attack technique T1204.001 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• Mautic

License

• open-source

Website

• Product: https://github.com/mautic/mautic/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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