Is CVE-2026-67340 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-67340?

CVE-2026-67340 has a CVSS v3 severity of CRITICAL (9.8).

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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.