Critical severityNVD Advisory· Published Oct 9, 2026
CVE-2026-107824
CVE-2026-107824
Description
x64dbg-MCP Server is a native Model Context Protocol (MCP) plugin for x64dbg that exposes the debugger's full functionality over HTTP. Prior to 1.1, x64dbg-MCP Server exposes all MCP debugger tools over HTTP and SSE without authentication while listening on 0.0.0.0 by default. Any unauthenticated network client that can reach the default port, 9094 for x64 or 9095 for x32, can execute arbitrary x64dbg commands, attach to processes by PID, read and write debuggee memory, and write files to arbitrary paths. This issue is fixed in version 1.1.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <1.1
Patches
Vulnerability mechanics
References
6- github.com/duty1g/x64dbg-mcp-server/commit/1aad0f88b9c27233d11dbccf08ca415eb5f49203nvd
- github.com/duty1g/x64dbg-mcp-server/commit/e1daba0038959f88d25ff3376b2a7f922ffeb448nvd
- github.com/duty1g/x64dbg-mcp-server/releases/tag/1.0nvd
- github.com/duty1g/x64dbg-mcp-server/releases/tag/v1.1nvd
- github.com/duty1g/x64dbg-mcp-server/security/advisories/GHSA-4478-h5jv-647mnvd
- github.com/duty1g/x64dbg-mcp-server/security/advisories/GHSA-jgj3-97w2-9v9rnvd
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