Medium 4.3Published May 25, 2026

CVE-2026-9467debugmcp mcp-debugger server.ts handleGetSourceContext path traversal

Updated under an hour ago (Oct 26, 2026, 7:20 PM ET)

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Every CVE for debugmcp mcp-debugger

Exploited in the last 30 days

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.

CVSS: 4.3 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-22
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: May 26, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

debugmcp mcp-debugger debugmcp:mcp-debugger	0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; and 12 more ranges	CNA record

References

References

https://vuldb.com/vuln/365448	vdb-entry, technical-description
https://vuldb.com/vuln/365448/cti	signature, permissions-required
https://vuldb.com/submit/813980	third-party-advisory
https://github.com/hyk6225/public_exp/issues/1	exploit, issue-tracking

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.