Privilege escalation in Arcadedata Arcadedb
CVE-2026-67356
ArcadeDB before 26.7.3 binds the real LocalDatabase object into JavaScript trigger contexts with HostAccess.ALL, allowing schema-admins to call getSecurity().createUser() without permission checks. Attackers with UPDATE_SCHEMA permission can create triggers that execute JavaScript to create server-wide admin users, escalating privileges beyond their authorization level.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (38.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Arcadedata Arcadedb — versions 0, 26.7.3
Weakness classification (CWE)
References
- github.com/ArcadeData/arcadedb/security/advisories/GHSA-38pf-6hp2-pxww (vendor-advisory)
- www.vulncheck.com/advisories/arcadedb-before-privilege-escalation-via-javascrip… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-67356?
- CVE-2026-67356 is a high-severity vulnerability in Arcadedata Arcadedb, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-08-02.
- How severe is CVE-2026-67356?
- High severity. CVSS v3 base score is 8.8 out of 10.