WhatsUp Gold versions prior to 26.0.2 contain an unauthenticated remote code execution vulnerability in an internal report scheduling service.

published 2026-08-12 2 mo ago modified 2026-11-06 2 d ago also EUVD-2026-57267

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 52%
public exploits: 0; none known

In WhatsUp Gold versions released before 2026.0.2, an unauthenticated remote attacker with network access to the affected service can execute arbitrary code in the context of the IIS application service account.

Patch / fix

fixed in 1

Progress Software Corporation WhatsUp Gold 26.0.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 mo ago (2026-08-12)

Exploit prediction

0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Progress Software Corporation WhatsUp Gold

Classification

Weakness

CWE-306 Missing Authentication for Critical Functionality
CWE-918 Server-Side Request Forgery
CWE-73 External Control of File Name or Path
CWE-94 Improper Control of Generation of Code

References

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

Sources

CVE List CVE-2026-65941
NVD CVE-2026-65941

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary