High severity7.5NVD Advisory· Published Aug 2, 2026· Updated Aug 31, 2026

CVE-2026-67357

Description

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.

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LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

ArcadeDB/ArcadeDBllm-fuzzy
Range: <26.7.3
Arcadedata/Arcadedbllm-fuzzy
Range: <26.7.3

Patches

Vulnerability mechanics

References

github.com/ArcadeData/arcadedb/security/advisories/GHSA-p9wc-4fhr-78wmnvd
www.vulncheck.com/advisories/arcadedb-information-disclosure-via-get-server-settingsnvd

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