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.
Published: 2026-08-18
Score: 9.4 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 18 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Arcadedata
Arcadedata arcadedb
Vendors & Products Arcadedata
Arcadedata arcadedb

Tue, 18 Aug 2026 11:30:00 +0000

Type Values Removed Values Added
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.
Title ArcadeDB before 26.8.1 Privilege Escalation via gRPC Transaction
Weaknesses CWE-269
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.4, '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'}


Subscriptions

Arcadedata Arcadedb
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-18T13:34:09.841Z

Reserved: 2026-08-18T10:59:33.701Z

Link: CVE-2026-75843

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-18T12:19:34.740

Modified: 2026-08-18T12:19:34.740

Link: CVE-2026-75843

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-18T13:15:12Z

Weaknesses