{
 "public_id": "AIR-2025-0054",
 "incident_id": "2025-07-mcp-remote-command-injection",
 "date_disclosed": "2025-07-09",
 "date_occurred": null,
 "title": "CVE-2025-6514: OS command injection in mcp-remote lets a malicious MCP server run code on the client OS",
 "class": "responsible_disclosure",
 "attack_surface": "mcp_server",
 "initial_vector": "malicious_mcp_server_oauth_authorization_endpoint",
 "agent_capability_abused": [
  "remote_tool_connection",
  "oauth_discovery",
  "local_process_spawn",
  "mcp_client_connection"
 ],
 "target_product": "mcp-remote (npm proxy used by Claude Desktop and other MCP clients)",
 "target_vendor": "Cloudflare / geelen (mcp-remote maintainers)",
 "autonomy_level": "assistant",
 "impact_realized": false,
 "impact_type": [
  "remote_code_execution",
  "full_host_compromise",
  "arbitrary_code_execution"
 ],
 "blast_radius": "mcp-remote 0.0.5-0.1.15; JFrog cited ~437,000 downloads of the package at disclosure time",
 "cve": [
  "CVE-2025-6514"
 ],
 "taxonomy": {
  "owasp_asi": [
   "ASI05",
   "ASI04",
   "ASI03"
  ],
  "mitre_atlas": [],
  "labels": [
   "command_injection",
   "untrusted_tool_server",
   "supply_chain",
   "transport_layer",
   "mcp_client_vulnerability",
   "untrusted_server_connection"
  ]
 },
 "defense_present": "none - authorization_endpoint URL from the remote server was passed unsanitized to an OS command",
 "defense_bypassed": true,
 "fix_shipped": "mcp-remote 0.1.16",
 "primary_sources": [
  "https://github.com/advisories/GHSA-6xpm-ggf7-wc3p",
  "https://research.jfrog.com/vulnerabilities/mcp-remote-command-injection-rce-jfsa-2025-001290844/",
  "https://jfrog.com/blog/2025-6514-critical-mcp-remote-rce-vulnerability/"
 ],
 "verified_quote": "mcp-remote is exposed to OS command injection when connecting to untrusted MCP servers due to crafted input from the authorization_endpoint response URL",
 "confidence": "high",
 "notes": "CVSS 9.6 Critical. Found by JFrog Security Research (Or Peles). JFrog described it as the first documented full RCE on the client OS triggered by a remote MCP server. GHSA-6xpm-ggf7-wc3p / JFSA-2025-001290844. Also reported as: 'CVE-2025-6514: OS command injection in mcp-remote lets a malicious MCP server own the client machine'.",
 "risk_category": "security_fraud",
 "risk_secondary": [],
 "risk_subcategory": "Supply Chain Compromise",
 "risk_sub_secondary": [
  "Remote Code Execution & Sandbox Escape"
 ],
 "ai_entity": "generative",
 "agency": "agent_acted",
 "agency_debatable": true,
 "agency_reason": "the malicious MCP server ran code on the client through the agent's connection",
 "vector_family": "malicious_component",
 "vector_detail": "malicious_mcp_server_oauth_authorization_endpoint",
 "guardrail_kind": [
  "none"
 ],
 "guardrail_outcome": "not_applicable",
 "xrefs": {
  "aiid": [],
  "atlas": [],
  "cve": [
   "CVE-2025-6514"
  ],
  "ghsa": []
 },
 "primary_asi": "ASI05",
 "agent_framework": "mcp_server",
 "model_provider": "anthropic",
 "model_name": "",
 "detection_mechanism": "unknown",
 "tool_access": "unknown",
 "financial_loss_band": "unknown",
 "eai_category": "supply_chain_vulnerabilities",
 "eai_domain": "tool_misuse",
 "eai_secondary": [
  "privilege_escalation"
 ],
 "eai_reason": "subcategory: Supply Chain Compromise",
 "asi_curated": [
  "ASI05"
 ],
 "asi_scope": "in_scope",
 "asi_provenance": "curated_plus_rule",
 "asi_reason": "curated: ASI05 | added ASI04 (vector_family=malicious_component), ASI03 (signal=identity)",
 "submitted_by": "EAI Internal"
}