CVE-2026-67344: ArcadeDB before 26.7.2 fails to enforce the UPDATE_SCHEMA database permission on the ALTER TYPE ... CUSTOM and ALTER TYPE ... BUCKETSELECTIONSTRATEGY SQL operations, which map to s
ArcadeDB before 26.7.2 fails to enforce the UPDATE_SCHEMA database permission on the ALTER TYPE ... CUSTOM and ALTER TYPE ... BUCKETSELECTIONSTRATEGY SQL operations, which map to setCustomValue and setBucketSelectionStrategy in LocalDocumentType. An authenticated user with only read access (e.g., a read-only API token) can submit these ALTER TYPE statements via the HTTP command endpoint to mutate a type's custom schema metadata and bucket-selection strategy, bypassing the documented updateSchema permission boundary and potentially corrupting schema metadata and record routing.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-67344
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-67344 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for ArcadeDB
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-67343: ArcadeDB versions before 26.7.2 fail to properly redact the cluster token in the GET /api/v1/s…nvd · 2026-08-01
- criticalCVE-2026-67342: ArcadeDB versions before 26.7.2 contain an authorization bypass vulnerability in HTTP handlers…nvd · 2026-08-01
- criticalCVE-2026-67341: ArcadeDB versions before 26.7.2 fail to enforce scripting authorization checks on the SQL DEFI…nvd · 2026-08-01
- criticalCVE-2026-67340: ArcadeDB before 26.7.2 (arcadedb-engine) allows trigger scripts to look up host classes in jav…nvd · 2026-08-01
- highGHSA-x8mg-6r4p-87pf: ArcadeDB has cross-database IDOR: /ts/*, /batch/*, Prometheus and Grafana handlers bypass…ghsa · 2026-07-16
- highGHSA-vwjc-v7x7-cm6g: ArcadeDB: Scripting authorization gate (GHSA-48qw-824m-86pr) bypassed via SQL DEFINE FUNC…ghsa · 2026-07-16
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