Vulnerability 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.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-p29f-345w-4qwf
- https://www.vulncheck.com/advisories/arcadedb-before-privilege-escalation-via-gr
- https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-p29f-345w-4qwf
FAQ
What is CVE-2026-75843?
CVE-2026-75843 is a vulnerability with a CVSS score of 9.9 (CRITICAL). 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 scri...
How severe is CVE-2026-75843?
CVE-2026-75843 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-75843?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.