Vulnerability · Published Aug 1, 2026 · Assigned by VulnCheck

CVE-2026-67342ArcadeDB before 26.7.2 Authorization Bypass via Database Handlers

Critical 9.8

In plain English

A critical-severity authorization bypass via user-controlled key in arcadedb from ArcadeData. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.5%top 54.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

ArcadeDB versions before 26.7.2 contain an authorization bypass vulnerability in HTTP handlers for time series, batch, Prometheus, and Grafana endpoints that fail to validate database access permissions. Attackers can access and modify databases they are not authorized to use by directly calling affected endpoints with arbitrary database parameters.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Maven	com.arcadedb:arcadedb-server	26.7.2	GHSA-x8mg-6r4p-87pf

Affected products (as reported)

Vendor	Product	Versions
ArcadeData	arcadedb	0 – before 26.7.2

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

GitHub Security Advisory (GHSA-x8mg-6r4p-87pf) vendor-advisory
VulnCheck Advisory: ArcadeDB before 26.7.2 Authorization Bypass via Database Handlers third-party-advisory