{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "1.14.0"
              },
              {
                "last_affected": "1.15.2"
              },
              {
                "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/2026/110xxx/CVE-2026-110719.json"
  },
  "details": "Portkey AI Gateway 1.14.0 through 1.15.2 contains a server-side request forgery vulnerability that allows unauthenticated attackers to reach loopback and Docker host services because isValidCustomHost trusts localhost-style hosts when TRUSTED_CUSTOM_HOSTS is unset. Attackers can send /v1 requests with a crafted x-portkey-custom-host header, such as via the ollama provider, to make the gateway call internal services and return their responses.",
  "id": "CVE-2026-110719",
  "modified": "2026-10-16T02:30:27.870893902Z",
  "published": "2026-10-14T15:01:32.488Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.npmjs.com"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110719.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110719"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/portkey-ai-gateway-1.14.0-through-1.15.2-ssrf-via-x-portkey-custom-host-header"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Portkey-AI/gateway"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/Portkey-AI/gateway/blob/ca7712947ec8c0887803990b746740d36011c697/src/middlewares/requestValidator/index.ts#L289"
    },
    {
      "type": "EVIDENCE",
      "url": "https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/BJypv-aiMg"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Portkey AI Gateway 1.14.0 through 1.15.2 SSRF via x-portkey-custom-host Header"
}