CVE-2026-75839

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On an ArcadeDB HA cluster (only reachable when arcadedb.ha.enabled is set and the ha-raft module is loaded), any authenticated user \u2014 including one granted access to only one database or none \u2014 can enumerate the full server database registry and retrieve per-database metadata such as database names, last transaction IDs, bootstrap fingerprints, and peer/leader cluster topology, resulting in cross-database information disclosure. Fixed in 26.8.1."}, {"lang": "es", "value": "Las versiones de ArcadeDB (com.arcadedb:arcadedb-server) menor o igual que 26.7.3 contienen una vulnerabilidad de referencia directa a objeto insegura (IDOR) en los puntos finales de informaci\u00f3n de cl\u00faster Raft (GetClusterHandler y PostBootstrapStateHandler), que autentican pero no autorizan el acceso. En un cl\u00faster HA de ArcadeDB (solo accesible cuando arcadedb.ha.enabled est\u00e1 configurado y el m\u00f3dulo ha-raft est\u00e1 cargado), cualquier usuario autenticado -incluido uno al que se le haya concedido acceso a solo una base de datos o a ninguna- puede enumerar el registro completo de bases de datos del servidor y recuperar metadatos por base de datos, como nombres de bases de datos, ID de \u00faltimas transacciones, huellas digitales de arranque y topolog\u00eda de cl\u00faster de pares/l\u00edderes, lo que resulta en una revelaci\u00f3n de informaci\u00f3n entre bases de datos. 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