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Critical · 9.9 CVE-2026-75843 EUVD-2026-60607GHSA-pgf7-648w-96c5

ArcadeDB before 26.8.1 Privilege Escalation via gRPC Transaction

Published Aug 18, 2026 · Updated Aug 18, 2026 · Assigned by VulnCheck

Description

ArcadeDB before 26.8.1 fails to bind the authenticated principal on the gRPC transaction executor thread in beginTransaction, allowing authenticated readers to execute JavaScript commands without scripting authorization checks. Attackers can execute executeCommand with a transaction ID to run unrestricted JavaScript that creates server-wide administrator accounts.

Affected products

VendorProductAffectedFixed
ArcadeData arcadedb < 26.8.1 26.8.1

References