CVE-2025-15610 Deserialization in RightFax
Attackers can exploit .NET Remoting deserialization flaws in OpenText RightFax to execute arbitrary code if remoting ports are accessible.
- 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-2025-15610?
CVE-2025-15610 is a critical unsafe deserialization vulnerability in OpenText, Inc RightFax, published on 15 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The .NET Remoting framework used by OpenText Fax (RightFax) includes known security vulnerabilities that could be exploited if the service is exposed in environments where the remoting ports are accessible.
Weakness: CWE-502
Which versions are affected by CVE-2025-15610?
How do I fix CVE-2025-15610?
No fix has been published for CVE-2025-15610 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-15610 being exploited?
There is no known exploitation of CVE-2025-15610 in the wild and no public exploit code.
Sources
Also known as GHSA-7hj6-v8wx-jqjx.