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<a href=/v1.13/docs/setup/getting-started class="btn btn--primary" id=try-istio>Try Istio</a></div></div><form id=search-form class=search name=cse role=search><input type=hidden name=cx value=002184991200833970123:iwwf17ikgf4>
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<button id=search-close title="Cancel search" type=reset aria-label="Cancel search"><svg class="icon menu-close"><use xlink:href="/v1.13/img/icons.svg#menu-close"/></svg></button></form></nav></header><div class=banner-container></div><article class=post itemscope itemtype=http://schema.org/BlogPosting><div class=header-content><h1>Announcing Istio 1.5.1</h1><p>Istio 1.5.1 patch release.</p></div><p class=post-author>Mar 25, 2020</p><div><p>This release contains bug fixes to improve robustness and fixes for the security vulnerabilities described in <a href=/v1.13/news/security/istio-security-2020-004>our March 25th, 2020 news post</a>. This release note describes whats different between Istio 1.5.0 and Istio 1.5.1.</p><div class="relnote-actions call-to-action"><a class=entry href=/v1.13/news/releases/1.5.x/announcing-1.5/upgrade-notes/><h5>BEFORE YOU UPGRADE</h5><p>Things to know and prepare before upgrading.</p></a><a class="update-notice entry" data-title="Update Notice" data-downloadhref=https://github.com/istio/istio/releases/tag/1.5.1 data-downloadbuttontext="DOWNLOAD 1.5.1" data-updateadvice="Before you download 1.5.1, you should know that there's a newer patch release with the latest bug fixes and perf improvements." data-updatebutton="LEARN ABOUT ISTIO 1.5.10" data-updatehref=/v1.13/news/releases/1.5.x/announcing-1.5.10/><h5>DOWNLOAD</h5><p>Download and install this release.</p></a><a class=entry href=https://archive.istio.io/v1.5/docs><h5>DOCS</h5><p>Visit the documentation for this release.</p></a><a class=entry href=https://github.com/istio/istio/compare/1.5.0...1.5.1><h5>SOURCE CHANGES</h5><p>Inspect the full set of source code changes.</p></a></div><h2 id=security-update>Security update</h2><ul><li><strong>ISTIO-SECURITY-2020-004</strong> Istio uses a hard coded <code>signing_key</code> for Kiali.</li></ul><p><strong><a href="https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1764">CVE-2020-1764</a></strong>: Istio uses a default <code>signing key</code> to install Kiali. This can allow an attacker with access to Kiali to bypass authentication and gain administrative privileges over Istio.
In addition, another CVE is fixed in this release, described in the Kiali 1.15.1 <a href=https://kiali.io/news/security-bulletins/kiali-security-001/>release</a>.</p><h2 id=changes>Changes</h2><ul><li><strong>Fixed</strong> an issue where Istio Operator instance deletion hangs for in-cluster operator (<a href=https://github.com/istio/istio/issues/22280>Issue 22280</a>)</li><li><strong>Fixed</strong> istioctl proxy-status should not list differences if just the order of the routes have changed (<a href=https://github.com/istio/istio/issues/21709>Issue 21709</a>)</li><li><strong>Fixed</strong> Incomplete support for array notation in &ldquo;istioctl manifest apply —set&rdquo; (<a href=https://github.com/istio/istio/issues/20950>Issue 20950</a>)</li><li><strong>Fixed</strong> Add possibility to add annotations to services in Kubernetes service spec (<a href=https://github.com/istio/istio/issues/21995>Issue 21995</a>)</li><li><strong>Fixed</strong> Enable setting ILB Gateway using istioctl (<a href=https://github.com/istio/istio/issues/20033>Issue 20033</a>)</li><li><strong>Fixed</strong> istioctl does not correctly set names on gateways (<a href=https://github.com/istio/istio/issues/21938>Issue 21938</a>)</li><li><strong>Fixed</strong> OpenID discovery does not work with beta request authentication policy (<a href=https://github.com/istio/istio/issues/21954>Issue 21954</a>)</li><li><strong>Fixed</strong> Issues related to shared control plane multicluster (<a href=https://github.com/istio/istio/pull/22173>Issue 22173</a>)</li><li><strong>Fixed</strong> Ingress port displaying target port instead of actual port (<a href=https://github.com/istio/istio/issues/22125>Issue 22125</a>)</li><li><strong>Fixed</strong> Issue where endpoints were being pruned automatically when installing the Istio Controller (<a href=https://github.com/istio/istio/issues/21495>Issue 21495</a>)</li><li><strong>Fixed</strong> Add istiod port to gateways for mesh expansion(<a href=https://github.com/istio/istio/issues/22027>Issue 22027</a>)</li><li><strong>Fixed</strong> Multicluster secret controller silently ignoring updates to secrets (<a href=https://github.com/istio/istio/issues/18708>Issue 18708</a>)</li><li><strong>Fixed</strong> Autoscaler for mixer-telemetry always being generated when deploying with istioctl or Helm (<a href=https://github.com/istio/istio/issues/20935>Issue 20935</a>)</li><li><strong>Fixed</strong> Prometheus certificate provisioning is broken (<a href=https://github.com/istio/istio/issues/21843>Issue 21843</a>)</li><li><strong>Fixed</strong> Segmentation fault in Pilot with beta mutual TLS (<a href=https://github.com/istio/istio/issues/21816>Issue 21816</a>)</li><li><strong>Fixed</strong> Operator status enumeration not being rendered as a string (<a href=https://github.com/istio/istio/issues/21554>Issue 21554</a>)</li><li><strong>Fixed</strong> in-cluster operator fails to install control plane after having deleted a prior control plane (<a href=https://github.com/istio/istio/issues/21467>Issue 21467</a>)</li><li><strong>Fixed</strong> TCP metrics for BlackHole clusters does not work with Telemetry v2 (<a href=https://github.com/istio/istio/issues/21566>Issue 21566</a>)</li><li><strong>Improved</strong> Add option to enable V8 runtime for telemetry V2 (<a href=https://github.com/istio/istio/pull/21846>Issue 21846</a>)</li><li><strong>Improved</strong> compatibility of Helm gateway chart (<a href=https://github.com/istio/istio/pull/22295>Issue 22295</a>)</li><li><strong>Improved</strong> operator by adding a Helm installation chart (<a href=https://github.com/istio/istio/issues/21861>Issue 21861</a>)</li><li><strong>Improved</strong> Support custom CA on istio-agent (<a href=https://github.com/istio/istio/pull/22113>Issue 22113</a>)</li><li><strong>Improved</strong> Add a flag that supports passing GCP metadata to STS (<a href=https://github.com/istio/istio/issues/21904>Issue 21904</a>)</li></ul></div><nav class=pagenav><div class=left><a title="Istio 1.5.2 patch release." href=/v1.13/news/releases/1.5.x/announcing-1.5.2/ class=next-link><svg class="icon left-arrow"><use xlink:href="/v1.13/img/icons.svg#left-arrow"/></svg>1.5.2</a></div><div class=right></div></nav></article><footer class=footer><div class="footer-wrapper container-l"><div class="user-links footer-links"><a class=channel title="GitHub is where development takes place on Istio code" href=https://github.com/istio/community aria-label=GitHub><svg class="icon github"><use xlink:href="/v1.13/img/icons.svg#github"/></svg></a><a class=channel title="Access our team drive if you'd like to take a look at the Istio technical design documents" href=https://groups.google.com/forum/#!forum/istio-team-drive-access aria-label="team drive"><svg class="icon drive"><use xlink:href="/v1.13/img/icons.svg#drive"/></svg></a><a class=channel title="Interactively discuss issues with the Istio community on Slack" 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