CVE-2026-67341: Auth Bypass (CVSS 9.8)

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.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0032

Probability of exploitation

0.24%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-863 Incorrect Authorization

References

Other 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

Frequently Asked Questions

What is CVE-2026-67341? +

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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-67341? +

CVE-2026-67341 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0032, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-67341? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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