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    <title>Most recent entries from all</title>
    <link>https://vulnerability.circl.lu</link>
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      <title>CVE-2026-71259 — ESPHome external_components file:// Scheme Validation Bypass Leading to Remote Code Execution</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-71259</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; esphome&lt;/p&gt;
&lt;p&gt;ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/config_validation.py. Because binds tighter than , any file: URI passes validation regardless of netloc. This validator gates the field of the external_components YAML directive&amp;#39;s git source schema, which is passed to (git supports file:// natively).&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; esphome&lt;/p&gt;
&lt;p&gt;ESPHome through 2026.7.0-dev contains an operator-precedence bug in the cv.url validator in esphome/config_validation.py. Because binds tighter than , any file: URI passes validation regardless of netloc. This validator gates the field of the external_components YAML directive&amp;#39;s git source schema, which is passed to (git supports file:// natively).&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://vulnerability.circl.lu/vuln/cve-2026-71259</guid>
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