Path Traversal in Progress Whatsup Gold
CVE-2026-65939
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (29.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
References
- www.progress.com/network-monitoring (Product)
- docs.progress.com/bundle/whatsupgold-release-notes-26-0/page/WhatsUp-Gold-2026… (release-notes, Release Notes)
- community.progress.com/s/article/WhatsUp-Gold-Security-Bulletin-August-2026 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-65939?
- CVE-2026-65939 is a medium-severity vulnerability in Progress Whatsup Gold, classified under Path Traversal. CVSS score: 6.8/10. Published 2026-08-12.
- How severe is CVE-2026-65939?
- Medium severity. CVSS v3 base score is 6.8 out of 10.