CVE-2026-100307: Missing authorization on the external management API in mcp-gateway-registry enables privilege escalation to registry administrator
AWS · mcp-gateway-registry
Vendor fix available · Affected: AWS mcp-gateway-registry · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 41% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- AWS · mcp-gateway-registryfrom 1.0.9 up to and including 1.24.7
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- AWS
- Published
- November 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-100307 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.