CVE-2026-100307
Missing authorization on the external management API in mcp-gateway-registry enables privilege escalation to registry administrator
CVSS Score
8.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 CWE-266 |
| Vendor | aws |
| Product | mcp-gateway-registry |
| Published | Nov 11, 2026 |
Stay Ahead of the Next One
Get instant alerts for aws mcp-gateway-registry
Be the first to know when new high vulnerabilities affecting aws mcp-gateway-registry are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
AWS / mcp-gateway-registry
1.0.9 ≤ 1.24.7