CVE-2026-92545

A cached response could cross gateway hostnames

Kong · Kong AI Gateway proxy response cache

First documented disclosure · Review checkpoint

Summary

The proxy cache omitted the hostname when identifying a cached response. A client could receive data generated for a different host.

Severity and exploitation evidence

High · 8.7/10 · CVSS 4.0. Severity source.

Exploitation not established: The reviewed advisory does not report malicious exploitation.

Exploitation evidence source

Technical severity is not a measure of observed attacks or of risk to your deployment. Attempts, demonstrations, and successful compromise retain the qualifications in the source.

How the weakness works

The proxy cache omitted the hostname when identifying a cached response.

Conditions required

Distinct hostnames shared the affected cache configuration.

Potential impact

A client could receive data generated for a different host.

Affected versions and configurations

Kong AI Gateway 2.2.0. Enterprise branch ranges are listed separately in the CNA record.

Fix and mitigation status

Kong AI Gateway 2.2.1.

Practical next steps

Upgrade AI Gateway to 2.2.1 and review the affected gateway configuration.

Operating lesson

Keep each authenticated response isolated to the caller and request that created it.

Evidence and limits

The CVE record was published on 2026-11-10.

Sources