ervice</code>, <code>HTTPAPISpecBinding</code>, <code>QuotaSpecBinding</code>.</p><h2 id=impact-and-detection>Impact and detection</h2><p>To detect if there is any regular expressions used in Istio APIs in your cluster, run the following command which prints either of the following output:</p><ul><li>YOU ARE AFFECTED: found regex used in <code>AuthenticationPolicy</code> or <code>VirtualService</code></li><li>YOU ARE NOT AFFECTED: did not find regex usage</li></ul><pre><code class=language-bash data-expandl