CVE-2026-67340
Description
ArcadeDB before 26.7.2 (arcadedb-engine) allows trigger scripts to look up host classes in java.lang.* (via Java.type) because ScriptTriggerExecutor adds java.lang.* to the allowed packages. An authenticated user with UPDATE_SCHEMA permission can create a JavaScript trigger that invokes java.lang.Runtime.getRuntime().exec() (or ProcessBuilder), achieving OS command execution when the trigger fires.
Summary dbcve.org
ArcadeDB before 26.7.2 allows JavaScript trigger scripts to access java.lang.* classes via the Java.type API because ScriptTriggerExecutor incorrectly adds java.lang.* to its allowed packages list. An authenticated user with UPDATE_SCHEMA permission can create a trigger that calls java.lang.Runtime.getRuntime().exec() or ProcessBuilder to achieve arbitrary OS command execution.
Mitigation
Upgrade to ArcadeDB 26.7.2 or later, which removes java.lang.* from the allowed packages in ScriptTriggerExecutor. Alternatively, restrict UPDATE_SCHEMA permission to only trusted administrators.