Docker mcp-gateway up to 0.27.x routine

Summaryinfo

A vulnerability categorized as critical has been discovered in Docker mcp-gateway up to 0.27.x. This vulnerability affects unknown code. Executing a manipulation can lead to routine. This vulnerability is handled as CVE-2025-64443. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Docker mcp-gateway up to 0.27.x. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a routine vulnerability. The CWE definition for the vulnerability is CWE-749. The product provides an Applications Programming Interface (API) or similar interface for interaction with external actors, but the interface includes a dangerous method or function that is not properly restricted. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

MCP Gateway allows easy and secure running and deployment of MCP servers. In versions 0.27.0 and earlier, when MCP Gateway runs in sse or streaming transport mode, it is vulnerable to DNS rebinding. An attacker who can get a victim to visit a malicious website or be served a malicious advertisement can perform browser-based exploitation of MCP servers executing behind the gateway, including manipulating tools or other features exposed by those MCP servers. MCP Gateway is not affected when running in the default stdio mode, which does not listen on network ports. Version 0.28.0 fixes this issue.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-64443 since 11/03/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading to version 0.28.0 eliminates this vulnerability. Applying the patch 6b076b2479d8d1345c50c112119c62978d46858e is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

• Virtualization Software

Vendor

• Docker

Name

• mcp-gateway

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27

License

• open-source

Website

• Product: https://github.com/docker/mcp-gateway/

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