CVE-2026-125926
Published:November 11, 2026
Updated:November 12, 2026
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 Packages
https://github.com/agentic-community/mcp-gateway-registry.git (GITHUB):
Affected version(s) >=v1.0.3 <1.35.0 || >=1.23.0 <1.35.0Fix Suggestion:
Update to version 1.35.0Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery