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OpenAdvisories
High · 8.5 CVE-2026-125926 EUVD-2026-124011

Server-side request forgery in the server registration and update API in mcp-gateway-registry

Published Nov 11, 2026 · Updated Nov 13, 2026 · Assigned by AMZN

Description

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.

Affected products

VendorProductAffectedFixed
AWS mcp-gateway-registry 1.0.3 – ≤ 1.34.0 —

References