What is CVE-2026-75846?

CVE-2026-75846 is a high-severity vulnerability in Arcadedata Arcadedb, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-08-18.

How severe is CVE-2026-75846?

High severity. CVSS v3 base score is 7.1 out of 10.

Auth bypass in Arcadedata Arcadedb

CVE-2026-75846

ArcadeDB before 26.8.1 (affected versions <= 26.7.3) contains a missing authorization vulnerability in the DELETE FUNCTION SQL statement. DeleteFunctionStatement.executeSimple unregisters and persists deletion of a server-side function without any checkPermissionsOnDatabase (UPDATE_SCHEMA) check. Any user with database access can execute DELETE FUNCTION via the command API (POST /api/v1/command/{db}) to permanently remove any registered server-side function, including security-relevant logic, impacting integrity and availability.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L.

Affected products

Arcadedata Arcadedb

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-75846?: CVE-2026-75846 is a high-severity vulnerability in Arcadedata Arcadedb, classified under Missing Authorization. CVSS score: 7.1/10. Published 2026-08-18.
How severe is CVE-2026-75846?: High severity. CVSS v3 base score is 7.1 out of 10.