CVE-2026-65939 PUBLISHED

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

Assigner: ProgressSoftware
Reserved: 23.07.2026 Published: 12.08.2026 Updated: 12.08.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 6.8

Attack Vector	Adjacent Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Progress Software Corporation
Product	WhatsUp Gold
Versions	Default: unaffected affected from 0 to 26.0.2 (excl.)

References

Problem Types

CWE-434 Unrestricted upload of file with dangerous type CWE
CWE-73 External control of file name or path CWE
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') CWE

Impacts

CAPEC-126 Path Traversal