WhatsUp Gold versions prior to 26.0.2 contain an arbitrary file write vulnerability in the LogToFile action handler.
Key facts
- Attack vector
- Adjacent network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA WhatsUp Gold (Progress Software Corporation) Fixed in 26.0.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Progress Software WhatsUp Gold — community.progress.com/s/article/WhatsUp-Gold-Security-Bull…
5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2026-46977 Missing authentication in Progress WhatsUp GoldPriority MEDIUM 44
- TI-2026-46973 Cross-site scripting in Progress WhatsUp GoldPriority LOW 37
- TI-2026-46976 Incorrect default permissions in Progress WhatsUp GoldPriority LOW 32
Timeline
- 2026-10-02 Threatist record created from CVE-2026-65939
- 2026-10-03 Alias added: GHSA-j337-6rqp-7m54
References
More Progress Whatsup Gold vulnerabilities
- TI-2024-06182 WhatsUp Gold HasErrors SQL Injection Authentication Bypass Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2024-04541 WhatsUp Gold GetFileWithoutZip Directory Traversal Remote Code Execution Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2024-04539 WhatsUp Gold WriteDataFile Directory Traversal Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2024-04652 WhatsUp Gold TestController multiple information disclosure vulnerabilities CVSS 3.1HIGH 7.5
- TI-2024-31319 WhatsUp Gold WriteDataFile Directory Traversal Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2024-04653 WhatsUp Gold TestController Chart denial of service vulnerability CVSS 3.1HIGH 7.5
Sources
- CVE-2026-65939 · CVE Program
- CVE-2026-65939 · NVD
- FIRST EPSS
- GHSA-j337-6rqp-7m54 · GitHub Advisory Database · CC BY 4.0
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