A vulnerability classified as critical has been found in envoyproxy envoy up to 1.35.12/1.36.8/1.37.4/1.38.2 . Affected by this issue is some unknown functionality. Performing a manipulation results in buffer overflow. This vulnerability is identified as CVE-2026-48706 . The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.