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      <title>CVE-2026-27806 — Fleet Affected by Local Privilege Escalation via Tcl Command Injection in Orbit</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-27806</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; fleetdm fleet&lt;/p&gt;
&lt;p&gt;Fleet is open source device management software. Prior to 4.81.1, the Orbit agent&amp;#39;s FileVault disk encryption key rotation flow on collects a local user&amp;#39;s password via a GUI dialog and interpolates it directly into a Tcl/expect script executed via exec.Command(&amp;#34;expect&amp;#34;, &amp;#34;-c&amp;#34;, script). Because the password is inserted into Tcl brace-quoted send {%s}, a password containing } terminates the literal and injects arbitrary Tcl commands. Since Orbit runs as root, this allows a local unprivileged user to escalate to root privileges. This vulnerability is fixed in 4.81.1.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; fleetdm fleet&lt;/p&gt;
&lt;p&gt;Fleet is open source device management software. Prior to 4.81.1, the Orbit agent&amp;#39;s FileVault disk encryption key rotation flow on collects a local user&amp;#39;s password via a GUI dialog and interpolates it directly into a Tcl/expect script executed via exec.Command(&amp;#34;expect&amp;#34;, &amp;#34;-c&amp;#34;, script). Because the password is inserted into Tcl brace-quoted send {%s}, a password containing } terminates the literal and injects arbitrary Tcl commands. Since Orbit runs as root, this allows a local unprivileged user to escalate to root privileges. This vulnerability is fixed in 4.81.1.&lt;/p&gt;</content:encoded>
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