CVE intelligence

CVE-2026-125926

Vulnerability intelligence

Published Nov 11, 2026Sources checked Nov 11, 2026

8.5HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-125926 and is rated High severity with a CVSS score of 8.5. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

AWS Security Bulletins guidance

Vendor revision: Nov 11, 2026

Vendor remediation details

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

CISA KEVNot listedBased on the latest collected catalog

EPSSUnavailableNo current score collected

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-125926?

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.

Source: NVD