High severity8.5NVD Advisory· Published Nov 11, 2026

CVE-2026-125926

Description

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 products

Agentic Community/Mcp Gateway Registryreferences2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <1.35.0
Amazon/mcp-gateway-registryllm-fuzzy
Range: <1.35.0

Patches

Vulnerability mechanics

References

aws.amazon.com/security/security-bulletins/2026-180-aws/nvd
github.com/agentic-community/mcp-gateway-registry/releases/tag/1.35.0nvd

News mentions

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