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Portkey AI Gateway Server-Side Request Forgery via /v1/proxy/*

Type: advisorySource: Official CVE List1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2026-82270

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-82270

gateway

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "Portkey-AI",
    "product": "gateway",
    "versions": [
      {
        "status": "affected",
        "version": "1.14.0",
        "versionType": "semver",
        "lessThanOrEqual": "1.15.2"
      }
    ],
    "packageName": "@portkey-ai/gateway",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-82270

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#1514 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement