CVE-2026-67341: ArcadeDB before 26.7.2 Authorization Bypass via SQL DEFINE FUNCTION

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-01 · updated 2026-10-23
Weakness: CWE-863

Description

ArcadeDB versions before 26.7.2 fail to enforce scripting authorization checks on the SQL DEFINE FUNCTION statement with LANGUAGE js. Attackers with database access can execute arbitrary JavaScript code by submitting DEFINE FUNCTION statements, bypassing security controls intended to restrict scripting to administrators.

Affected products

ArcadeData arcadedb: before 26.7.2 — fixed in 26.7.2

How to fix

Upgrade to a fixed version: ArcadeData arcadedb 26.7.2. Check the vendor advisory for mitigations.

References

https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-vwjc-v7x7-cm6g
https://www.vulncheck.com/advisories/arcadedb-before-authorization-bypass-via-sql-define-function

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