CVE-2026-75851 ArcadeDB before 26.8.1 Authentication Bypass via Async Command

ArcadeDB server com.arcadedb:arcadedb-server in versions 26.7.3 and earlier fails to propagate the authenticated principal to asynchronous command worker threads. When an HTTP command is submitted with awaitResponse:false, it executes on an async worker whose DatabaseContext has no bound user,...

CVE-2026-75852

ArcadeDB versions before 26.8.1 fail to enforce SASL authentication on data commands in the MongoDB wire-protocol plugin. Unauthenticated attackers can issue insert, find, update, delete, and create commands against any database by connecting to port 27017 without credentials. CVSS 9.8 (Critical)...

EUVD-2026-60613

ArcadeDB versions before 26.8.1 fail to enforce SASL authentication on data commands in the MongoDB wire-protocol plugin. Unauthenticated attackers can issue insert, find, update, delete, and create commands against any database by connecting to port 27017 without credentials...

CVE-2026-75852 ArcadeDB MongoDB wire protocol authentication bypass cross-database

ArcadeDB versions before 26.8.1 fail to enforce SASL authentication on data commands in the MongoDB wire-protocol plugin. Unauthenticated attackers can issue insert, find, update, delete, and create commands against any database by connecting to port 27017 without credentials...

EUVD-2026-60612

ArcadeDB server com.arcadedb:arcadedb-server in versions 26.7.3 and earlier fails to propagate the authenticated principal to asynchronous command worker threads. When an HTTP command is submitted with awaitResponse:false, it executes on an async worker whose DatabaseContext has no bound user,...

CVE-2026-75851 ArcadeDB before 26.8.1 Authentication Bypass via Async Command

ArcadeDB server com.arcadedb:arcadedb-server in versions 26.7.3 and earlier fails to propagate the authenticated principal to asynchronous command worker threads. When an HTTP command is submitted with awaitResponse:false, it executes on an async worker whose DatabaseContext has no bound user,...

CVE-2026-75852 ArcadeDB MongoDB wire protocol authentication bypass cross-database

ArcadeDB versions before 26.8.1 fail to enforce SASL authentication on data commands in the MongoDB wire-protocol plugin. Unauthenticated attackers can issue insert, find, update, delete, and create commands against any database by connecting to port 27017 without credentials...

CVE-2026-75851

ArcadeDB server com.arcadedb:arcadedb-server in versions 26.7.3 and earlier fails to propagate the authenticated principal to asynchronous command worker threads. When an HTTP command is submitted with awaitResponse:false, it executes on an async worker whose DatabaseContext has no bound user,...

CVE-2026-75851

ArcadeDB server com.arcadedb:arcadedb-server in versions 26.7.3 and earlier fails to propagate the authenticated principal to asynchronous command worker threads. When an HTTP command is submitted with awaitResponse:false, it executes on an async worker whose DatabaseContext has no bound user,...

CVE-2026-75852

ArcadeDB versions before 26.8.1 fail to enforce SASL authentication on data commands in the MongoDB wire-protocol plugin. Unauthenticated attackers can issue insert, find, update, delete, and create commands against any database by connecting to port 27017 without credentials...

EUVD-2026-60611

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's fine-grained per-type ACL layer LocalBucket.checkPermissionsOnFile does not execute for these handlers. In...

CVE-2026-75850

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's fine-grained per-type ACL layer LocalBucket.checkPermissionsOnFile does not execute for these handlers. In...

CVE-2026-75850

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's fine-grained per-type ACL layer LocalBucket.checkPermissionsOnFile does not execute for these handlers. In...

CVE-2026-75850 ArcadeDB before 26.8.1 Per-Type ACL Bypass via Batch Handlers

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's fine-grained per-type ACL layer LocalBucket.checkPermissionsOnFile does not execute for these handlers. In...

CVE-2026-75850 ArcadeDB before 26.8.1 Per-Type ACL Bypass via Batch Handlers

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's fine-grained per-type ACL layer LocalBucket.checkPermissionsOnFile does not execute for these handlers. In...

CVE-2026-75845 ArcadeDB 26.4.2 before 26.8.1 Authorization Bypass via set_server_setting

ArcadeDB versions 26.4.2 through 26.7.3 contain an authorization bypass vulnerability in the setserversetting MCP server-level tool. SetServerSettingTool.execute gates only on the global allowAdmin flag and never checks the caller's role, so in an MCP deployment with allowAdmin=true and a non-roo...

CVE-2026-75845

ArcadeDB 26.4.2–26.7.3's SetServerSettingTool.execute() checks only the global allowAdmin flag without verifying the caller's role, letting authenticated read-only users modify GlobalConfiguration in MCP deployments. CVSS 6.3 (MEDIUM); no exploitation observed. Fixed in 26.8.1.{

EUVD-2026-60609

ArcadeDB versions 26.4.2 through 26.7.3 contain an authorization bypass vulnerability in the setserversetting MCP server-level tool. SetServerSettingTool.execute gates only on the global allowAdmin flag and never checks the caller's role, so in an MCP deployment with allowAdmin=true and a non-roo...

CVE-2026-75845 ArcadeDB 26.4.2 before 26.8.1 Authorization Bypass via set_server_setting

ArcadeDB versions 26.4.2 through 26.7.3 contain an authorization bypass vulnerability in the setserversetting MCP server-level tool. SetServerSettingTool.execute gates only on the global allowAdmin flag and never checks the caller's role, so in an MCP deployment with allowAdmin=true and a non-roo...

CVE-2026-75845 ArcadeDB 26.4.2 before 26.8.1 Authorization Bypass via set_server_setting

ArcadeDB versions 26.4.2 through 26.7.3 contain an authorization bypass vulnerability in the setserversetting MCP server-level tool. SetServerSettingTool.execute gates only on the global allowAdmin flag and never checks the caller's role, so in an MCP deployment with allowAdmin=true and a non-roo...