Amazon mcp-gateway-registry up to 1.34.0 Server Registration And Update API server-side request forgery

Summaryinfo

A vulnerability was found in Amazon mcp-gateway-registry up to 1.34.0. It has been rated as problematic. This affects an unknown part of the component Server Registration And Update API. This manipulation causes server-side request forgery. The identification of this vulnerability is CVE-2026-125926. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Amazon mcp-gateway-registry up to 1.34.0 and classified as problematic. Affected by this vulnerability is an unknown function of the component Server Registration And Update API. 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. The summary by CVE is:

Server-side request forgery (SSRF) in the server registration and update API in Amazon mcp-gateway-registry before 1.35.0 might allow an authenticated remote user to send requests from the gateway to internal network services and cloud instance metadata endpoints and read the responses via a crafted request. To remediate this issue, users should upgrade to version 1.35.0.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-125926 since 11/10/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.35.0 eliminates this vulnerability.

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

Productinfo

Type

• Artificial Intelligence Software

Vendor

• Amazon

Name

• mcp-gateway-registry

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34.0

License

• commercial

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Entryinfo

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

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