CVE-2026-29787
MEDIUM
GHSA-73hc-m4hx-79pj
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Lifecycle Timeline
4Description
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.
Analysis
The /api/health/detailed endpoint in mcp-memory-service prior to version 10.21.0 discloses sensitive system information including OS details, Python version, CPU configuration, memory metrics, and database paths to unauthenticated network users when anonymous access is enabled. Public exploit code exists for this information disclosure vulnerability, which affects deployments using the default 0.0.0.0 network binding. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.
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External POC / Exploit Code
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