{
 "id": "AIR-2026-0135",
 "slug": "litellm-proxy-bypass-allows-server-side-request-redirection",
 "title": "LiteLLM Proxy Bypass Allows Server-Side Request Redirection",
 "summary": "Prior to 1.83.9, LiteLLM allowed authenticated callers to place api_base inside user_config to bypass safety checks. This lets attackers redirect outbound router requests to internal or external hosts.",
 "type": "attack_on_ai",
 "categories": [
  "infra_vuln"
 ],
 "severity": 2,
 "targets": [
  "framework_or_tooling"
 ],
 "products": [
  "LiteLLM"
 ],
 "incident_date": "2026-09-16",
 "incident_date_precision": "day",
 "first_reported": "2026-09-16",
 "sources": [
  {
   "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59823",
   "publisher": "NVD",
   "title": "CVE-2026-59823: LiteLLM is a proxy server (AI Gateway) to call LLM APIs in OpenAI (or native) format.",
   "published_at": "2026-09-16"
  },
  {
   "url": "https://github.com/advisories/GHSA-hx8v-g79f-8w5f",
   "publisher": "GitHub Advisory Database",
   "title": "CVE-2026-59823: LiteLLM Proxy has server-side request forgery via the `user_config` request parameter",
   "published_at": "2026-09-17"
  }
 ],
 "source_count": 2,
 "confidence": 0.95,
 "status": "published",
 "origin": "seed_nvd",
 "tags": [
  "CVE-2026-59823",
  "litellm",
  "proxy"
 ],
 "created_at": "2026-10-18T06:33:31.967Z",
 "updated_at": "2026-10-18T07:00:14.101Z"
}