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    <link>https://cve.radiocsirt.org</link>
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    <lastBuildDate>Thu, 08 Oct 2026 03:03:12 +0000</lastBuildDate>
    <item>
      <title>CVE-2026-41704 — Compromised VM can make arbitrary blobstore deletes</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-41704</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Cloud Foundry Foundation BOSH Director&lt;/p&gt;
&lt;p&gt;AgentClient#handle_method (lines 264-303) processes every NATS reply. It calls inject_compile_log (line 273) on every response, which reads response[&amp;#39;value&amp;#39;][&amp;#39;result&amp;#39;][&amp;#39;compile_log_id&amp;#39;] (line 332-338) and passes it to download_and_delete_blob. Separately, any response containing &amp;#39;exception&amp;#39; goes through format_exception (lines 308-325), which reads exception[&amp;#39;blobstore_id&amp;#39;] and also calls download_and_delete_blob. That helper (lines 344-349) calls ResourceManager#get_resource(blob_id) and, in an ensure block, ResourceManager#delete_resource(blob_id). ResourceManager (resource_manager.rb:62-70) calls blobstore.delete(id) on the single shared Director blobstore with no UUID-format check, no ownership check, and no namespace prefix.&lt;/p&gt;
&lt;p&gt;Affected versions:
BOSH Director: All versions prior to v282.1.12&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Cloud Foundry Foundation BOSH Director&lt;/p&gt;
&lt;p&gt;AgentClient#handle_method (lines 264-303) processes every NATS reply. It calls inject_compile_log (line 273) on every response, which reads response[&amp;#39;value&amp;#39;][&amp;#39;result&amp;#39;][&amp;#39;compile_log_id&amp;#39;] (line 332-338) and passes it to download_and_delete_blob. Separately, any response containing &amp;#39;exception&amp;#39; goes through format_exception (lines 308-325), which reads exception[&amp;#39;blobstore_id&amp;#39;] and also calls download_and_delete_blob. That helper (lines 344-349) calls ResourceManager#get_resource(blob_id) and, in an ensure block, ResourceManager#delete_resource(blob_id). ResourceManager (resource_manager.rb:62-70) calls blobstore.delete(id) on the single shared Director blobstore with no UUID-format check, no ownership check, and no namespace prefix.&lt;/p&gt;
&lt;p&gt;Affected versions:
BOSH Director: All versions prior to v282.1.12&lt;/p&gt;</content:encoded>
      <guid isPermaLink="false">https://cve.radiocsirt.org/vuln/cve-2026-41704</guid>
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