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CVE-2026-82270

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

CVSS 4.0 8.7 HIGHCVSS 3.1 7.5 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-82270

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-82270

Published

@portkey-ai/gateway

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

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

Original source record · Cite this exact observation · Complete original publisher JSON