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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (26.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/ArcadeData/arcadedb/security/advisories/GHSA-vv82-qvpf-rjwv (vendor-advisory)
- www.vulncheck.com/advisories/arcadedb-before-unauthorized-function-deletion-via… (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.