CVE-2026-7811

HIGH

54yyyu code-mcp MCP File server.py is_safe_path path traversal

Title source: cna
STIX 2.1

Description

A vulnerability has been found in 54yyyu code-mcp up to 4cfc4643541a110c906d93635b391bf7e357f4a8. The affected element is the function is_safe_path of the file src/code_mcp/server.py of the component MCP File Handler. Such manipulation leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.

References (5)

Core 5
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-361071 | 54yyyu code-mcp MCP File server.py is_safe_path path traversal
https://vuldb.com/vuln/361071
Signature, Permissions Required signature permissions-required
VDB-361071 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/361071/cti
Third Party Advisory third-party-advisory
Submit #807751 | 54yyyu code-mcp 4cfc4643541a110c906d93635b391bf7e357f4a8 Path Traversal
https://vuldb.com/submit/807751
Exploit exploit issue-tracking
https://github.com/54yyyu/code-mcp/issues/4

Scores

CVSS v3 7.3
EPSS 0.0042
EPSS Percentile 33.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (1)
54yyyu/code-mcp 4cfc4643541a110c906d93635b391bf7e357f4a8
Published May 05, 2026
Tracked Since May 05, 2026