High severity7.5NVD Advisory· Published Aug 28, 2026

CVE-2026-82270

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Portkey AI/Gatewayreferences2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: <=1.15.2
Portkey AI/Portkey AI Gatewayllm-create
Range: <=1.15.2

Patches

Vulnerability mechanics

References

github.com/Portkey-AI/gateway/blob/669825cbe89ee51569918b8f78a9db486fd69dd4/src/index.tsnvd
github.com/Portkey-AI/gateway/issues/1718nvd
www.vulncheck.com/advisories/portkey-ai-gateway-server-side-request-forgery-via-v1-proxynvd

News mentions

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