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5.3

mcp-memory-service exposes sensitive system information to the network

GHSA-73hc-m4hx-79pj CVE-2026-29787 GHSA-73hc-m4hx-79pj
Summary

A security patch in version 10.21.0 prevents unauthorized access to sensitive system details. If you're using an earlier version, update to 10.21.0 or configure MCP_ALLOW_ANONYMOUS_ACCESS to be false. This will help protect your system from being easily identifiable and potentially vulnerable to attacks.

What to do
  • Update mcp-memory-service to version 10.21.0.
Affected software
VendorProductAffected versionsFix available
– mcp-memory-service <= 10.21.0 10.21.0
doobidoo mcp-memory-service <= 10.21.0 –
Original title
mcp-memory-service is an open-source memory backend for multi-agent systems. Prior to version 10.21.0, the /api/health/detailed endpoint returns detailed system information including OS version, Py...
Original description
mcp-memory-service is an open-source memory backend for multi-agent systems. Prior to version 10.21.0, the /api/health/detailed endpoint returns detailed system information including OS version, Python version, CPU count, memory totals, disk usage, and the full database filesystem path. When MCP_ALLOW_ANONYMOUS_ACCESS=true is set (required for the HTTP server to function without OAuth/API key), this endpoint is accessible without authentication. Combined with the default 0.0.0.0 binding, this exposes sensitive reconnaissance data to the entire network. This issue has been patched in version 10.21.0.
ghsa CVSS3.1 5.3
Vulnerability type
CWE-200 Information Exposure
Published: 7 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026