Server-side Request Forgery (SSRF) Affecting @portkey-ai/gateway package, versions <1.14.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published2 Dec 2025
- disclosed1 Dec 2025
- creditKim SooHyun
Introduced: 1 Dec 2025
NewCVE-2025-66405 (opens in a new tab)How to fix?
Upgrade @portkey-ai/gateway to version 1.14.0 or higher.
Overview
@portkey-ai/gateway is an A fast AI gateway by Portkey
Affected versions of this package are vulnerable to Server-side Request Forgery (SSRF) via the x-portkey-custom-host request header, which allows user-supplied values to determine the destination baseURL in the proxy route. An attacker can make unauthorized requests to internal or external systems by supplying crafted headers.