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    <title>Most recent entries from all</title>
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    <lastBuildDate>Wed, 07 Oct 2026 03:50:01 +0000</lastBuildDate>
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      <title>CVE-2026-55428 — Coder: Route hijacking through lack of validation of agent-supplied AllowedIPs in tailnet coordinator</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-55428</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; coder&lt;/p&gt;
&lt;p&gt;Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, the tailnet coordinator validates that an agent&amp;#39;s `Addresses` derive from its authenticated UUID but applies no equivalent check to `AllowedIPs`. The coordinator forwards agent-supplied `AllowedIPs` verbatim to tunnel peers which install them into the WireGuard peer configuration. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 validates each `AllowedIPs` prefix against the authenticating agent&amp;#39;s UUID just like `Addresses`. As a workaround, monitor coordinator logs for agents advertising unexpected `AllowedIPs` prefixes.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; coder&lt;/p&gt;
&lt;p&gt;Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, the tailnet coordinator validates that an agent&amp;#39;s `Addresses` derive from its authenticated UUID but applies no equivalent check to `AllowedIPs`. The coordinator forwards agent-supplied `AllowedIPs` verbatim to tunnel peers which install them into the WireGuard peer configuration. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 validates each `AllowedIPs` prefix against the authenticating agent&amp;#39;s UUID just like `Addresses`. As a workaround, monitor coordinator logs for agents advertising unexpected `AllowedIPs` prefixes.&lt;/p&gt;</content:encoded>
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