CVE-2023-27487 – Envoy client may fake the header `x-envoy-original-path`

https://notcve.org/view.php?id=CVE-2023-27487

04 Apr 2023 — Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to versions 1.26.0, 1.25.3, 1.24.4, 1.23.6, and 1.22.9, the client may bypass JSON Web Token (JWT) checks and forge fake original paths. The header `x-envoy-original-path` should be an internal header, but Envoy does not remove this header from the request at the beginning of request processing when it is sent from an untrusted client. The faked header would then be used for trace logs and grpc logs, as well as used... • https://github.com/envoyproxy/envoy/security/advisories/GHSA-5375-pq35-hf2g • CWE-20: Improper Input Validation •