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      <title>CVE-2026-75850 — ArcadeDB before 26.8.1 Per-Type ACL Bypass via Batch Handlers</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-75850</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; ArcadeData arcadedb&lt;/p&gt;
&lt;p&gt;ArcadeDB before 26.8.1 fails to bind the authenticated principal (setCurrentUser) on its batch and time-series HTTP handlers. Because no principal is bound on the worker thread, the engine&amp;#39;s fine-grained per-type ACL layer (LocalBucket.checkPermissionsOnFile) does not execute for these handlers. In deployments that use per-type or per-group ACLs, a user with database access but only limited per-type permissions can read from and write to types they are not authorized to access by submitting requests to the batch/time-series endpoints. Deployments that rely solely on database-level access control are not affected.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; ArcadeData arcadedb&lt;/p&gt;
&lt;p&gt;ArcadeDB before 26.8.1 fails to bind the authenticated principal (setCurrentUser) on its batch and time-series HTTP handlers. Because no principal is bound on the worker thread, the engine&amp;#39;s fine-grained per-type ACL layer (LocalBucket.checkPermissionsOnFile) does not execute for these handlers. In deployments that use per-type or per-group ACLs, a user with database access but only limited per-type permissions can read from and write to types they are not authorized to access by submitting requests to the batch/time-series endpoints. Deployments that rely solely on database-level access control are not affected.&lt;/p&gt;</content:encoded>
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