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      <title>CVE-2026-59946 — Composer: Path traversal in package bin field lets dependencies chmod arbitrary host files</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-59946</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; composer&lt;/p&gt;
&lt;p&gt;Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a Composer package bin entry containing .. path segments can resolve outside the package install directory and cause Composer&amp;#39;s binary installation flow to chmod an existing host file to a world-readable and world-executable mode during composer install, update, or require. This issue is fixed in versions 2.2.29 and 2.10.2.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; composer&lt;/p&gt;
&lt;p&gt;Composer is a dependency Manager for the PHP language. Prior to 2.2.29 and 2.10.2, a Composer package bin entry containing .. path segments can resolve outside the package install directory and cause Composer&amp;#39;s binary installation flow to chmod an existing host file to a world-readable and world-executable mode during composer install, update, or require. This issue is fixed in versions 2.2.29 and 2.10.2.&lt;/p&gt;</content:encoded>
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