CVE-2026-65939 WhatsUp Gold versions prior to 26.0.2 contain an arbitrary file write vulnerability in the LogToFile action handler.
A privileged attacker can write arbitrary files to the web root via the LogToFile action, potentially leading to code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-65939?
CVE-2026-65939 is a medium-severity vulnerability in Progress Whatsup Gold, published on 12 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In WhatsUp Gold versions released before 2026.0.2, a privileged attacker can create a LogToFile action specifying an arbitrary file extension within the IIS web root.
Which versions are affected by CVE-2026-65939?
It affects 1 product.
Products include Progress Whatsup Gold.
How do I fix CVE-2026-65939?
No fix has been published for CVE-2026-65939 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-65939 being exploited?
There is no known exploitation of CVE-2026-65939 in the wild and no public exploit code.
Other vulnerabilities in Progress Whatsup Gold
- CVE-2024-6670 Progress WhatsUp Gold SQL Injection
- CVE-2024-4885 Progress WhatsUp Gold Path Traversal
- CVE-2024-46909 WhatsUp Gold WriteDataFile Directory Traversal Remote Code Execution Vulnerability
- CVE-2024-8785 WhatsUp Gold Registry Overwrite Remote Code Execution Vulnerability
- CVE-2024-7763 WhatsUp Gold getReport Missing Authentication Authentication Bypass Vulnerability
Sources
Also known as GHSA-j337-6rqp-7m54.