Is there a public exploit for CVE-2026-100307?

No public exploit for CVE-2026-100307 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-100307?

CVE-2026-100307 scores CVSS 8.7 (v4.0), rated high.

What does CVE-2026-100307 affect?

CVE-2026-100307 affects aws mcp-gateway-registry. It is part of the AI and agent stack (Model Context Protocol).

8.7 High

Missing authorization in the external management API in Amazon mcp-gateway-registry 1.0.9 through 1.24.7 might allow an authenticated…

CVE-2026-100307

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.

Part of the AI stack

This affects Model Context Protocol, in MCP & tool servers.

Assessment

CVSS: 8.7 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 11 November 2026
Last updated: 11 November 2026
Affected: aws · mcp-gateway-registry
Assigner: AMZN

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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Query this programmatically

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curl https://cve.zerocrew.in/api/cve/CVE-2026-100307