{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.14.0"
              },
              {
                "last_affected": "1.15.2"
              },
              {
                "introduced": "0"
              },
              {
                "fixed": "1.15.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "da1a1d04fe3578bdeafbbcbe035f278030f02cfb"
            },
            {
              "fixed": "ca7712947ec8c0887803990b746740d36011c697"
            }
          ],
          "repo": "https://github.com/portkey-ai/gateway",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82270.json"
  },
  "details": "Portkey AI Gateway through 1.15.2 contains a server-side request forgery vulnerability in the /v1/proxy/* route that lacks requestValidator middleware. Attackers can set the x-portkey-custom-host header to internal addresses and forward requests with Authorization headers to reach internal services and exfiltrate provider API keys.",
  "id": "CVE-2026-82270",
  "modified": "2026-08-30T03:30:21.946475706Z",
  "published": "2026-08-28T16:18:53.484Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82270.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82270"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/portkey-ai-gateway-server-side-request-forgery-via-v1-proxy"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/Portkey-AI/gateway/issues/1718"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Portkey-AI/gateway"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/Portkey-AI/gateway/blob/669825cbe89ee51569918b8f78a9db486fd69dd4/src/index.ts"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Portkey AI Gateway Server-Side Request Forgery via /v1/proxy/*"
}