VulnerabilityAnalyzed

CVE-2026-65937

In WhatsUp Gold versions released before 2026.0.2, an authenticated attacker can bypass frontend controls and inject persistent script content.

HIGH 8.0EPSS 0.25%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In WhatsUp Gold versions released before 2026.0.2, an authenticated attacker can bypass frontend controls and inject persistent script content.

CVSS 3.1: 8.0 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.25% probability · 16th percentile
CISA KEV: Not listed
Weakness: CWE-79, CWE-94
Affected: progress/whatsup gold
Source: security@progress.com

References

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

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.