CVE-2023-33466: Orthanc-Server Orthanc

High severity, CVSS 8.8. EPSS: 4.2% chance of exploitation in the next 30 days.

Orthanc before 1.12.0 allows authenticated users with access to the Orthanc API to overwrite arbitrary files on the file system, and in specific deployment scenarios allows the attacker to overwrite the configuration, which can be exploited to trigger Remote Code Execution (RCE).

Affected products

• Orthanc-Server Orthanc: before 1.12.0 (fixed in 1.12.0)

Published 2023-06-29. Last modified 2026-06-17.