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CVE-2026-7811

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

HIGH
7.3
CVSS Score
Published: May 5, 2026 at 04:00 AM UTC
Updated: October 26, 2026 at 07:10 PM UTC
1 product affected across 1 vendorCode Mcp

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Severity
HIGH7.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Code Mcp· 54YYYU
90%
4cfc4643541a110c906d93635b391bf7e357f4a8

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/361071
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/361071/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/807751
ExploitIssue Tracking
Source: cverecord
https://github.com/54yyyu/code-mcp/issues/4
Product
Source: cverecord
https://github.com/54yyyu/code-mcp/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22

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