{
 "id": "AIR-2026-0159",
 "slug": "cve-2026-94626-vllm-memory-exhaustion-via-unvalidated-tp-siz",
 "title": "CVE-2026-94626: vLLM Memory Exhaustion via Unvalidated tp_size Parameter",
 "summary": "An input validation failure in vLLM allows attackers to supply arbitrary tp_size values on completion endpoints. This leads to unbounded memory allocation and kernel OOM-kill of decode worker processes.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "vLLM"
 ],
 "incident_date": "2026-09-21",
 "incident_date_precision": "day",
 "first_reported": "2026-09-21",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-94626",
   "publisher": "NVD",
   "title": "CVE-2026-94626: vLLM through 0.29.0 fails to validate the tp_size parameter in kv_transfer_params on OpenAI-compatible completion endpoints,…",
   "published_at": "2026-09-21"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-94626",
  "memory-exhaustion",
  "vllm"
 ],
 "created_at": "2026-10-18T06:33:31.967Z",
 "updated_at": "2026-10-18T06:33:31.967Z"
}
