CVE-2026-9467 PUBLISHED

debugmcp mcp-debugger server.ts handleGetSourceContext path traversal

Assigner: VulDB
Reserved: 24.05.2026 Published: 25.05.2026 Updated: 25.05.2026

A vulnerability was identified in debugmcp mcp-debugger up to 0.20.0. Impacted is the function handleGetSourceContext of the file src/server.ts. The manipulation leads to path traversal. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
CVSS Score: 5.3

Product Status

Vendor debugmcp
Product mcp-debugger
Versions
  • Version 0.1 is affected
  • Version 0.2 is affected
  • Version 0.3 is affected
  • Version 0.4 is affected
  • Version 0.5 is affected
  • Version 0.6 is affected
  • Version 0.7 is affected
  • Version 0.8 is affected
  • Version 0.9 is affected
  • Version 0.10 is affected
  • Version 0.11 is affected
  • Version 0.12 is affected
  • Version 0.13 is affected
  • Version 0.14 is affected
  • Version 0.15 is affected
  • Version 0.16 is affected
  • Version 0.17 is affected
  • Version 0.18 is affected
  • Version 0.19 is affected
  • Version 0.20.0 is affected

Credits

  • KkKkKO (VulDB User) reporter
  • VulDB CNA Team coordinator

References

Problem Types

  • Path Traversal CWE