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      <title>CVE-2026-73627 — JupyterLab 4.6.0 Plugin Manager Lock-Rule Enforcement Bypass</title>
      <link>https://db.gcve.eu/vuln/cve-2026-73627</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; jupyterlab&lt;/p&gt;
&lt;p&gt;JupyterLab (pip package &amp;#39;jupyterlab&amp;#39;) versions &amp;gt;=4.1.0,&amp;lt;=4.5.9 and &amp;gt;=4.6.0,&amp;lt;=4.6.1 contain a plugin manager lock-rule enforcement bypass. Two server-side enforcement gaps allow an authenticated user to circumvent administrator lock rules by making direct requests to the /lab/api/plugins endpoint, enabling or disabling plugins that were locked — including child plugins of multi-plugin extensions and plugins locked via the &amp;#39;lock all&amp;#39; mechanism. This can impact data integrity and bypass hardening or restrictions (e.g., download/upload limits) implemented through locked plugins. Fixed in versions 4.6.2 and 4.5.10.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; jupyterlab&lt;/p&gt;
&lt;p&gt;JupyterLab (pip package &amp;#39;jupyterlab&amp;#39;) versions &amp;gt;=4.1.0,&amp;lt;=4.5.9 and &amp;gt;=4.6.0,&amp;lt;=4.6.1 contain a plugin manager lock-rule enforcement bypass. Two server-side enforcement gaps allow an authenticated user to circumvent administrator lock rules by making direct requests to the /lab/api/plugins endpoint, enabling or disabling plugins that were locked — including child plugins of multi-plugin extensions and plugins locked via the &amp;#39;lock all&amp;#39; mechanism. This can impact data integrity and bypass hardening or restrictions (e.g., download/upload limits) implemented through locked plugins. Fixed in versions 4.6.2 and 4.5.10.&lt;/p&gt;</content:encoded>
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