Vulnerability · Published Mar 7, 2026 · Assigned by GitHub_M
CVE-2026-29787mcp-memory-service: System Information Disclosure via Health Endpoint
Medium 5.3
In plain English
A medium-severity information exposure in mcp-memory-service from doobidoo. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | mcp-memory-service | 10.21.0 | GHSA-73hc-m4hx-79pj |
| PyPI | mcp-memory-service | 10.21.0 | PYSEC-2026-2623 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| doobidoo | mcp-memory-service | < 10.21.0 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N