Vulnerability DatabaseCVE-2026-68578
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CVE-2026-68578
Published:August 02, 2026
Updated:August 04, 2026
ArcadeDB versions before 26.7.3 fail to bind the authenticated principal in the MCP HTTP transport, causing all engine permission checks to silently pass as no-ops. Non-root MCP-allowed users can perform arbitrary database writes, DDL, schema mutations, and execute arbitrary JavaScript code via the query tool.
Affected Packages
https://github.com/ArcadeData/arcadedb.git (GITHUB):
Affected version(s) >=untagged-3026f5635164cd300b5b <26.7.3
Fix Suggestion:
Update to version 26.7.3
com.arcadedb:arcadedb-server (JAVA):
Affected version(s) >=21.9.1-beta <26.7.3
Fix Suggestion:
Update to version 26.7.3
Related Resources (2)
https://www.vulncheck.com/advisories/arcadedb-authentication-bypass-via-mcp-transport
https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-6x73-v3rc-f57c
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CVSS v4
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Missing Authentication for Critical Function
CWE-306
EPSS
Base Score:
0.21