CVE-2026-100307

CVSS 8.8 (high) · published 2026-11-11

Missing authorization in the external management API in Amazon mcp-gateway-registry 1.0.9 through 1.24.7 might allow an authenticated remote user to assign the registry administrator scope to their own identity group and obtain administrative control of every registered gateway asset via a crafted group import request. To remediate this issue, users should upgrade to version 1.25.0.

Weakness: CWE-266, CWE-862

Source: NVD CVE-2026-100307

References

• https://aws.amazon.com/security/security-bulletins/2026-179-aws/
• https://github.com/agentic-community/mcp-gateway-registry/releases/tag/1.25.0
• https://github.com/agentic-community/mcp-gateway-registry/security/advisories/GHSA-rxf3-qgpv-wxvr

Check your software

Connect an AI agent to the FixLane MCP server or ask the Telegram bot to check what you have installed against incidents with a verified fixed version.