CVE-2026-9467
debugmcp mcp-debugger server.ts handleGetSourceContext path traversal
- State
- Published
- Severity
- 5.3 Medium
- Published
- May 25, 2026
- Updated
- May 26, 2026
- Reserved
- May 24, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 4.0 Medium | AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-22 Path Traversal
Affected Products
| Product | Versions |
|---|---|
mcp-debuggerdebugmcp |
|
References
- VDB-365448 | debugmcp mcp-debugger server.ts handleGetSourceContext path traversalvdb-entrytechnical-description
- VDB-365448 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
- Submit #813980 | debugmcp mcp-debugger 3e83906c8358965efd683c734e94a75d338400fa Path Traversalthird-party-advisory
- https://github.com/hyk6225/public_exp/issues/1exploitissue-tracking
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.