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      <title>CVE-2026-59681 — yast2-auth-client: OS command injection via unsanitized Organizational Unit / dnsHostName in AD join</title>
      <link>https://vulnerability.circl.lu/vuln/cve-2026-59681</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; SUSE yast2-auth-client&lt;/p&gt;
&lt;p&gt;A OS command injection vulnerability in yast2-auth-client allows an attacker who controls Active Directory configuration values to execute arbitrary commands as root on the configured host.
 Auth::AuthConf in src/lib/auth/authconf.rb assembles the Samba net ads join, net ads lookup -S and net ads testjoin invocations by interpolating configuration values into a single command string and passing that string to Open3.popen2 / Open3.capture2, which causes Ruby to run it through /bin/sh. The Organizational Unit (ou), dnshostname, AD user name and AD domain name values are neither validated nor shell-quoted.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; SUSE yast2-auth-client&lt;/p&gt;
&lt;p&gt;A OS command injection vulnerability in yast2-auth-client allows an attacker who controls Active Directory configuration values to execute arbitrary commands as root on the configured host.
 Auth::AuthConf in src/lib/auth/authconf.rb assembles the Samba net ads join, net ads lookup -S and net ads testjoin invocations by interpolating configuration values into a single command string and passing that string to Open3.popen2 / Open3.capture2, which causes Ruby to run it through /bin/sh. The Organizational Unit (ou), dnshostname, AD user name and AD domain name values are neither validated nor shell-quoted.&lt;/p&gt;</content:encoded>
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