CVE-2025-11843 Auth bypass in Therefore Online and Therefore On-Premises
Attackers can impersonate service accounts to access stored documents, requiring a patch for Therefore Online and On-Premises.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11843?
CVE-2025-11843 is a high-severity authentication bypass vulnerability in Therefore Online and Therefore On-Premises, published on 31 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-290
Which versions are affected by CVE-2025-11843?
How do I fix CVE-2025-11843?
No fix has been published for CVE-2025-11843 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-11843 being exploited?
There is no known exploitation of CVE-2025-11843 in the wild and no public exploit code.
Sources
Also known as GHSA-j67p-5mwc-frf9.