Security Advisory

CVE-2026-46579

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-29 09:50:44

Last updated 2026-07-26 07:29:32

Assigner redhat

CVSS score not scored

State PUBLISHED

Description

A flaw was found in the OpenShift Router. When a Route has `insecureEdgeTerminationPolicy` set to Allow, the HTTP frontend does not remove `X-SSL-Client-*` headers from incoming requests. This allows an unauthenticated attacker to send plain HTTP requests with crafted `X-SSL-Client-*` headers. As a result, backends relying on these headers for mutual TLS (Transport Layer Security) authentication can be bypassed, enabling the attacker to impersonate client certificate identities.

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