CVE-2026-93595

ArcadeDB before 26.9.1 contains an access control bypass vulnerability in the query_database tool exposed through the AI chat endpoints. The tool executes queries without binding the authenticated principal to DatabaseContext, causing per-type and per-bucket ACL checks to silently no-op and allowing authenticated users to read data they are explicitly denied at the per-type level. Attackers can prompt the AI assistant to execute queries against restricted types or buckets to retrieve sensitive data that would be rejected through normal query endpoints.

• CWE-862

• https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-chrr-vr3p-crcc
• https://www.vulncheck.com/advisories/arcadedb-before-26.9.1-acl-bypass-via-query-database-tool

Published

Sep 18, 2026

Last Modified

Sep 18, 2026

Status

Deferred

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