CVE-2026-67357 ArcadeDB before 26.7.3 Information Disclosure via get_server_settings
Attackers with MCP access can retrieve the cluster token to impersonate root and compromise the ArcadeDB server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-67357?
CVE-2026-67357 is a high-severity vulnerability in ArcadeData arcadedb, published on 2 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-200
Which versions are affected by CVE-2026-67357?
How do I fix CVE-2026-67357?
No fix has been published for CVE-2026-67357 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-67357 being exploited?
There is no known exploitation of CVE-2026-67357 in the wild and no public exploit code.
Sources
Also known as GHSA-7qj8-rw8h-hhxv, GHSA-p9wc-4fhr-78wm.