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CVE-2025-66405

6.9 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 2

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.9 · portkeyNVD modified 2026-10-18 18:10

Affected (CPE criteria) 1

  • cpe:2.3:a:portkey:gateway:*:*:*:*:*:*:*:*

References 3