Critical severity · published Aug 1, 2026
CVE-2026-67342
ArcadeDB before 26.7.2 Authorization Bypass via Database Handlers
9.8
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AR
arcadedb · ArcadeData
before 26.7.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-67342
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-67342
github.com
https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-x8mg-6r4p-87pf
www.vulncheck.com
https://www.vulncheck.com/advisories/arcadedb-before-authorization-bypass-via-database-handlers
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