CVE Tools
Sign in

CVE-2026-65939

WhatsUp Gold versions prior to 26.0.2 contain an arbitrary file write vulnerability in the LogToFile action handler.

Published: Aug 12, 2026Updated: Aug 13, 2026 Sources: CVE List NVDCWE-22
6.8MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 84.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:AAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:AAttack Vector
Adjacent
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-22CWE-73CWE-434

Affected Products

Progress Software Corporation
commercial·USaka whatsup gold, moveit transfer, loadmaster
WhatsUp GoldOn-premDesktop App
Networking Infrastructure / network-management

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
Is your org exposed to CVE-2026-65939?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

5 techniques
Collection
Command and Control
Discovery
Initial Access
Persistence
View detailed technique mapping

References

https://www.progress.com/network-monitoring
progress.com
https://docs.progress.com/bundle/whatsupgold-release-notes-26-0/page/WhatsUp-Gold-2026.0-Release-Notes.html
docs.progress.com
https://community.progress.com/s/article/WhatsUp-Gold-Security-Bulletin-August-2026
community.progress.com

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-65939 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows