A vulnerability described as problematic has been identified in envoyproxy envoy up to 1.35.12/1.36.8/1.37.4/1.38.2 . Affected by this vulnerability is an unknown functionality of the component PROXY Protocol . Such manipulation of the argument length leads to improper handling of length parameter inconsistency. This vulnerability is referenced as CVE-2026-47692 . The attack needs to be initiated within the local network. No exploit is available. Upgrading the affected component is recommended.