PT-2026-43081 · Debugmcp · Mcp-Debugger

Kkkkko · Published 2026-05-25 · Updated 2026-05-25 · CVE-2026-9467

Mitre

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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.

Exploit

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2026-9467

Affected Products

Mcp-Debugger

References · 4

• 🔥 https://github.com/hyk6225/public_exp/issues/1 · Exploit
• https://vuldb.com/submit/813980 · Note
• https://vuldb.com/vuln/365448 · Note
• https://vuldb.com/vuln/365448/cti · Note