CVE-2026-67357

Summary

ArcadeDB versions before 26.7.3 contain an information disclosure vulnerability in the MCP get_server_settings tool that leaks the arcadedb.ha.clusterToken in cleartext. Attackers with MCP access can retrieve the cluster token and use it with X-ArcadeDB-Cluster-Token and X-ArcadeDB-Forwarded-User headers to impersonate root and achieve full server compromise.

Affected Software

VendorProductVersion RangeStatus
ArcadeDataarcadedb0 < 26.7.3affected
ArcadeDataarcadedb26.7.3unaffected

Weaknesses

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

References