Portkey vulnerabilities

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Published CVEs affecting Portkey products: 1 record(s), with severity, exploitation and fixes.

Exploited only (KEV) →

CVE-2025-66405 Critical · 9.8 CWE-918 Dec 1, 2025

Portkey.ai Gateway: Server-Side Request Forgery (SSRF) in Custom Host

Portkey.ai Gateway is a blazing fast AI Gateway with integrated guardrails. Prior to 1.14.0, the gateway determined the destination baseURL by prioritizing the value in the x-portkey-custom-host request header. The proxy route then appends the client-specified path to perform an external fetch. This can be maliciously used by users for SSRF attacks. This vulnerability is fixed in 1.14.0.