Mautic up to 4.4.19/5.2.10/6.0.8/7.1.1 Focus server-side request forgery

Summaryinfo

A vulnerability was found in Mautic up to 4.4.19/5.2.10/6.0.8/7.1.1. It has been rated as critical. This affects an unknown part of the component Focus. This manipulation causes server-side request forgery. This vulnerability is handled as CVE-2026-9557. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Mautic up to 4.4.19/5.2.10/6.0.8/7.1.1. It has been declared as critical. Affected by this vulnerability is an unknown function of the component Focus. The manipulation with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A Server-Side Request Forgery (SSRF) vulnerability exists in Mautic's Focus component. Due to insufficient validation of user-supplied URLs, an authenticated user can trigger outbound HTTP requests from the hosting server, enabling internal network reconnaissance or forcing requests to arbitrary internal or external destinations.

The weakness was released by Mateus. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-9557 since 05/26/2026. The exploitation appears to be easy. The attack can be launched remotely. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 4.4.20, 5.2.11, 6.0.9 or 7.1.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1724). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

• Open Source Mautic

Productinfo

Name

• Mautic

Version

• 4.4.0
• 4.4.1
• 4.4.2
• 4.4.3
• 4.4.4
• 4.4.5
• 4.4.6
• 4.4.7
• 4.4.8
• 4.4.9
• 4.4.10
• 4.4.11
• 4.4.12
• 4.4.13
• 4.4.14
• 4.4.15
• 4.4.16
• 4.4.17
• 4.4.18
• 4.4.19
• 5.2.0
• 5.2.1
• 5.2.2
• 5.2.3
• 5.2.4
• 5.2.5
• 5.2.6
• 5.2.7
• 5.2.8
• 5.2.9
• 5.2.10
• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 7.1.0
• 7.1.1

License

• open-source

Website

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

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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