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    <title>Most recent entries from all</title>
    <link>https://cve.radiocsirt.org</link>
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    <lastBuildDate>Thu, 08 Oct 2026 20:45:29 +0000</lastBuildDate>
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      <title>CVE-2026-82724 — Broken access control in AshPhoenix SubdomainHook via a nil tenant in handle_subdomain</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-82724</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; ash-project ash_phoenix&lt;/p&gt;
&lt;p&gt;Incorrect Authorization vulnerability in ash-project ash_phoenix invokes the SubdomainHook authorization callback with a nil tenant, so tenant-scoped access checks never see the tenant they are meant to enforce.&lt;/p&gt;
&lt;p&gt;AshPhoenix.LiveView.SubdomainHook.on_mount/4 attached a handle_params hook to assign the tenant and then immediately called handle_subdomain in the same on_mount. The tenant assign is only written when LiveView later runs handle_params, strictly after on_mount returns, so handle_subdomain read an unset assign and ran as apply(m, f, [socket, nil | a]). A consumer gate that halts when the user does not belong to the tenant instead evaluated nil, either crashing or taking a permissive branch, and it was never re-run once the real subdomain was assigned or on later navigations. The fix runs handle_subdomain inside the handle_params hook with the real tenant on every navigation.&lt;/p&gt;
&lt;p&gt;This issue affects ash_phoenix: from 2.1.26 before 2.3.25.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; ash-project ash_phoenix&lt;/p&gt;
&lt;p&gt;Incorrect Authorization vulnerability in ash-project ash_phoenix invokes the SubdomainHook authorization callback with a nil tenant, so tenant-scoped access checks never see the tenant they are meant to enforce.&lt;/p&gt;
&lt;p&gt;AshPhoenix.LiveView.SubdomainHook.on_mount/4 attached a handle_params hook to assign the tenant and then immediately called handle_subdomain in the same on_mount. The tenant assign is only written when LiveView later runs handle_params, strictly after on_mount returns, so handle_subdomain read an unset assign and ran as apply(m, f, [socket, nil | a]). A consumer gate that halts when the user does not belong to the tenant instead evaluated nil, either crashing or taking a permissive branch, and it was never re-run once the real subdomain was assigned or on later navigations. The fix runs handle_subdomain inside the handle_params hook with the real tenant on every navigation.&lt;/p&gt;
&lt;p&gt;This issue affects ash_phoenix: from 2.1.26 before 2.3.25.&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2026-82724</guid>
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