{
 "id": "AIR-2026-0589",
 "slug": "cve-2026-35603-claude-code-insecure-configuration-loading-lp",
 "title": "CVE-2026-35603: Claude Code Insecure Configuration Loading LPE",
 "summary": "Claude Code on Windows loaded system-wide configuration files without validating directory ownership. This allowed low-privileged local users to create malicious configuration files and execute code.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "Anthropic",
  "framework_or_tooling"
 ],
 "products": [
  "Claude Code"
 ],
 "incident_date": "2026-04-17",
 "incident_date_precision": "day",
 "first_reported": "2026-04-17",
 "sources": [
  {
   "url": "https://github.com/advisories/GHSA-5cwg-9f6j-9jvx",
   "publisher": "GitHub Advisory Database",
   "title": "CVE-2026-35603: Claude Code: Insecure System-Wide Configuration Loading Enables Local Privilege Escalation on Windows",
   "published_at": "2026-04-17"
  },
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35603",
   "publisher": "NVD",
   "title": "CVE-2026-35603: Claude Code is an agentic coding tool.",
   "published_at": "2026-04-17"
  }
 ],
 "source_count": 2,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_ghsa",
 "tags": [
  "CVE-2026-35603",
  "privilege-escalation"
 ],
 "created_at": "2026-10-18T07:00:14.101Z",
 "updated_at": "2026-10-18T10:04:21.885Z"
}