CVE-2025-11843: Therefore Corporation GmbH Therefore Online And Therefore On-Premises

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Therefore Corporation GmbH has recently become aware that Therefore™ Online and Therefore™ On-Premises contain an account impersonation vulnerability. A malicious user may potentially be able to impersonate the web service account or the account of a service using the API when connecting to the Therefore™ Server. If the malicious user gains this impersonation user access, then it is possible for them to access the documents stored in Therefore™. This impersonation is at application level (Therefore access level), not the operating system level.

Affected products

• Therefore Corporation GmbH Therefore Online And Therefore On-Premises: up to and including 2025

Published 2025-10-31. Last modified 2026-10-07.