CVE-2026-9467— debugmcp mcp-debugger server.ts handleGetSourceContext path traversal
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 20
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| debugmcp | mcp-debugger | 0.1 | affected |
0.2 | affected | ||
0.3 | affected | ||
0.4 | affected | ||
0.5 | affected | ||
0.6 | affected | ||
0.7 | affected | ||
0.8 | affected | ||
| … +12 more rows | |||
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I. Basic Information for CVE-2026-9467
Vulnerability Information
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Vulnerability Title
debugmcp mcp-debugger server.ts handleGetSourceContext path traversal
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: NVD (National Vulnerability Database)
Vulnerability Title
mcp-debugger 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
mcp-debugger是debugmcp开源的一款多语言调试工具。 debugmcp mcp-debugger 0.20.0及之前版本存在路径遍历漏洞，该漏洞源于文件src/server.ts中函数handleGetSourceContext的参数操作，可能导致路径遍历。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| debugmcp | mcp-debugger | 0.1 | cpe:2.3:a:debugmcp:mcp-debugger:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-9467
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-9467 (1)
IV. Related Vulnerabilities
Same weakness: CWE-22
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V. Comments for CVE-2026-9467
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