CVE-2025-46821 | Envoy up to 1.31.7/1.32.5/1.33.2/1.34.0 URI Template Matcher overly restrictive regular expression (GHSA-c7cm-838g-6g67)
A vulnerability classified as problematic has been found in Envoy up to 1.31.7/1.32.5/1.33.2/1.34.0. This affects an unknown part of the component URI Template Matcher. The manipulation leads to overly restrictive regular expression.
This vulnerability is uniquely identified as CVE-2025-46821. It is possible to initiate the attack remotely. There is no exploit available.
It is recommended to upgrade the affected component.