CVE-2026-125926 – Server-side request forgery in the server registration and update API in mcp-gateway-registry

Bulletin ID: 2026-180-AWS
Publication Date: 11/11/2026 13:00 PM PST

Description:

MServer-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

Impacted versions: >= v1.0.3 AND <= 1.34.0

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