CVE-2026-67343 ArcadeDB before 26.7.2 Cluster Token Disclosure via GET /api/v1/server
Authenticated users can retrieve the cluster token from the server API, enabling root impersonation and administrative control over the database.
- 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-2026-67343?
CVE-2026-67343 is a high-severity vulnerability in ArcadeData arcadedb, published on 1 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ArcadeDB versions before 26.7.2 fail to properly redact the cluster token in the GET /api/v1/server endpoint, allowing authenticated users to retrieve the arcadedb.ha.clusterToken value in cleartext. Attackers can use the leaked token with X-ArcadeDB-Cluster-Token and X-ArcadeDB-Forwarded-User headers to impersonate root and execute administrative actions including user creation, database operations, and server shutdown.
Weakness: CWE-200
Which versions are affected by CVE-2026-67343?
How do I fix CVE-2026-67343?
No fix has been published for CVE-2026-67343 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-67343 being exploited?
There is no known exploitation of CVE-2026-67343 in the wild and no public exploit code.
Sources
Also known as GHSA-3cc2-w6p6-c4vg, GHSA-46hj-24h4-j8gf.