Vulnerabilities CVE-2026-75843

CVE-2026-75843

Critical

Open

TLP:CLEAR

ArcadeDB before 26.8.1 Privilege Escalation via gRPC Transaction

NVD CVE.org

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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.

Details

CVSS Score: 9.4
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Confidence: 90%
Published: Aug 18, 2026
Last Modified: Aug 18, 2026

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