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      <title>CVE-2026-46716 — Nezha Monitoring: RoleMember can run shell on every server (cross-tenant RCE) via POST /api/v1/cron</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-46716</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; nezhahq nezha&lt;/p&gt;
&lt;p&gt;Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&amp;amp;M tool. From version 1.4.0 to before version 2.0.8, a RoleMember user can create a scheduled cron task with Cover=CronCoverAll, Servers=[] and an arbitrary Command. At every tick of the scheduler, the dashboard pushes that command to every server in the global ServerShared map — including servers that belong to other tenants (admin&amp;#39;s servers, other members&amp;#39; servers). Each agent runs the command and returns the output, which is then sent to the attacker&amp;#39;s own NotificationGroup → attacker-controlled webhook. This issue has been patched in version 2.0.8.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; nezhahq nezha&lt;/p&gt;
&lt;p&gt;Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&amp;amp;M tool. From version 1.4.0 to before version 2.0.8, a RoleMember user can create a scheduled cron task with Cover=CronCoverAll, Servers=[] and an arbitrary Command. At every tick of the scheduler, the dashboard pushes that command to every server in the global ServerShared map — including servers that belong to other tenants (admin&amp;#39;s servers, other members&amp;#39; servers). Each agent runs the command and returns the output, which is then sent to the attacker&amp;#39;s own NotificationGroup → attacker-controlled webhook. This issue has been patched in version 2.0.8.&lt;/p&gt;</content:encoded>
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