1.4.x deployments: update to <a href=/v1.9/news/releases/1.4.x/announcing-1.4.7>Istio 1.4.7</a> or later.</li><li>For Istio 1.5.x deployments: update to <a href=/v1.9/news/releases/1.5.x/announcing-1.5.1>Istio 1.5.1</a> or later.</li><li><p>Workaround: You can manually update the signing key to a random token using the following command:</p><pre><code class=language-bash data-expandlinks=true data-repo=istio>$ kubectl get cm kiali -n istio-system -o yaml | sed &#34;s/server:/login_token:\\\n \
signing_key: 