TI-2026-56054 CVE-2026-81092 · GHSA-8g5x-gj7x-mxgm
mcp-go before 0.56.0 Missing Host Header Validation Enables DNS Rebinding
Priority LOW 33
mcp-go accepted requests on its HTTP transports without checking the Host header.
Red Hat Hardened Images RPMs Security Update
Released 2026-09-02 · Red Hat rating Moderate · View on Red Hat →
mcp-go accepted requests on its HTTP transports without checking the Host header.
A user with Viewer permissions can use specially crafted requests to the Tempo and Loki data source plugins to reach unintended backend endpoints.