{
 "id": "AIR-2025-0289",
 "slug": "ghsa-j828-28rj-hfhp-vllm-regular-expression-denial-of-servic",
 "title": "vLLM Regular Expression Denial of Service",
 "summary": "Multiple regular expressions in the vLLM codebase are susceptible to Regular Expression Denial of Service attacks. Crafted input can trigger catastrophic backtracking and severe performance degradation.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "vLLM"
 ],
 "incident_date": "2025-05-28",
 "incident_date_precision": "day",
 "first_reported": "2025-05-28",
 "sources": [
  {
   "url": "https://github.com/advisories/GHSA-j828-28rj-hfhp",
   "publisher": "GitHub Advisory Database",
   "title": "GHSA-j828-28rj-hfhp: vLLM vulnerable to Regular Expression Denial of Service",
   "published_at": "2025-05-28"
  }
 ],
 "source_count": 1,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_ghsa",
 "tags": [
  "ghsa-j828-28rj-hfhp",
  "vllm",
  "redos"
 ],
 "created_at": "2026-10-18T07:00:14.101Z",
 "updated_at": "2026-10-18T10:14:26.300Z"
}