Vulnerability Description
ArcadeDB (com.arcadedb:arcadedb-server) versions <= 26.7.3 contain an insecure direct object reference (IDOR) vulnerability in the Raft cluster-info endpoints (GetClusterHandler and PostBootstrapStateHandler), which authenticate but do not authorize access. On an ArcadeDB HA cluster (only reachable when arcadedb.ha.enabled is set and the ha-raft module is loaded), any authenticated user — including one granted access to only one database or none — can enumerate the full server database registry and retrieve per-database metadata such as database names, last transaction IDs, bootstrap fingerprints, and peer/leader cluster topology, resulting in cross-database information disclosure. Fixed in 26.8.1.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-79wq-w74x-74ch
- https://www.vulncheck.com/advisories/arcadedb-before-information-disclosure-via-
FAQ
What is CVE-2026-75839?
CVE-2026-75839 is a vulnerability with a CVSS score of 4.3 (MEDIUM). ArcadeDB (com.arcadedb:arcadedb-server) versions <= 26.7.3 contain an insecure direct object reference (IDOR) vulnerability in the Raft cluster-info endpoints (GetClusterHandler and PostBootstrapState...
How severe is CVE-2026-75839?
CVE-2026-75839 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-75839?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.