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

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Debugmcp
  • Mcp-debugger

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References
Link Providers
https://github.com/hyk6225/public_exp/issues/1 cve-icon cve-icon
https://vuldb.com/submit/813980 cve-icon cve-icon
https://vuldb.com/vuln/365448 cve-icon cve-icon
https://vuldb.com/vuln/365448/cti cve-icon cve-icon
History

Tue, 26 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Mon, 25 May 2026 15:45:00 +0000

Type Values Removed Values Added
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.
Title debugmcp mcp-debugger server.ts handleGetSourceContext path traversal
First Time appeared Debugmcp
Debugmcp mcp-debugger
Weaknesses CWE-22
CPEs cpe:2.3:a:debugmcp:mcp-debugger:*:*:*:*:*:*:*:*
Vendors & Products Debugmcp
Debugmcp mcp-debugger
References
Metrics cvssV2_0

{'score': 4, 'vector': 'AV:N/AC:L/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 4.3, 'vector': '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'}

cvssV3_1

{'score': 4.3, 'vector': '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'}

cvssV4_0

{'score': 5.3, '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-05-25T14:45:09.859Z

Updated: 2026-05-26T12:45:28.536Z

Reserved: 2026-05-24T08:58:22.240Z

Link: CVE-2026-9467

cve-icon Vulnrichment

Updated: 2026-05-26T12:45:24.855Z

cve-icon NVD

Status : Deferred

Published: 2026-05-25T16:16:20.740

Modified: 2026-05-26T19:54:40.357

Link: CVE-2026-9467

cve-icon Redhat

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