genieacs-mcp: DNS rebinding reaches local GenieACS MCP Streamable HTTP transport

Date Aug 25, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product Go · github.com/geiserx/genieacs-mcp

CVE CVE-2026-55637

High-risk advisory CVE-2026-55637

Summary

genieacs-mcp: DNS rebinding reaches local GenieACS MCP Streamable HTTP transport

Why it matters

GitHub has published a reviewed security advisory for github.com/geiserx/genieacs-mcp. Prioritize it with other application dependency updates.

Operator check

Check whether github.com/geiserx/genieacs-mcp is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 8.8.

Sources

GitHub Advisory GHSA-cmwv-wf9p-p8wx NVD — CVE-2026-55637 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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