t-mart Mousehole up to 0.3.x HTTP/WebSocket Management information disclosure

Summaryinfo

A vulnerability, which was classified as problematic, has been found in t-mart Mousehole up to 0.3.x. This affects an unknown function of the component HTTP/WebSocket Management. The manipulation leads to information disclosure. This vulnerability is documented as CVE-2026-50025. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in t-mart Mousehole up to 0.3.x. It has been rated as problematic. This issue affects an unknown functionality of the component HTTP/WebSocket Management. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

Mousehole is a background service to update a seedbox IP for MAM and web app to manage it. Prior to version 0.4.05, Mousehole's HTTP/WebSocket management boundary is reachable without application-layer authentication or browser/LAN provenance checks. The service stores a MyAnonamouse (MAM) session cookie in state and reuses the same cookie-bearing serialization for persisted state, public API responses, and WebSocket state updates. Any client that can reach the published Mousehole port can read cookie-bearing state, connect to WebSocket state updates, replace the stored cookie, or force MAM update side effects. The deployment examples publish port 5010 broadly with Docker's `5010:5010` syntax, which can make the issue reachable on mixed-trust LAN/VPN interfaces. Version 0.4.0 patches the issue.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-50025 since 06/03/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 0.4.0 eliminates this vulnerability.

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

Productinfo

Vendor

• t-mart

Name

• Mousehole

Version

• 0.1
• 0.2
• 0.3

Website

• Product: https://github.com/t-mart/mousehole/

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

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