profullstack/mcp-server · Security

@profullstack/mcp-server vulnerable to OS Command Injection in domain_lookup Module

GHSA ID
GHSA-v6wj-c83f-v46x
Severity
critical
Published
Updated
CVSS
9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3
9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Field Value
Project profullstack/mcp-server
Repository https://github.com/profullstack/mcp-server
Affected Commit 2e8ea913573610667ad54e31dba2e8198ebf7cf9
Affected Module mcp_modules/domain_lookup
Affected Endpoints POST /domain-lookup/check, POST /domain-lookup/bulk
Vulnerability Type CWE-78: OS Command Injection
CVSS 3.1 Score 9.8 (Critical) — AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Authentication Required None
Default Network Exposure Bind address 0.0.0.0, no global authentication middleware
Validated 2026-04-21 (initial), 2026-04-28 (re-confirmed)

if (options.prefixes?.length) { command += --prefixes ${options.prefixes.join(',')}; } }

{"error":"tldx command failed: tldx command failed: /bin/sh: tldx: not found\n"}

{"error":"Bulk domain check failed: Bulk domain check failed: /bin/sh: tldx: not found\n"}

CWEs

References