CVE-2026-19639 Improper Access Control

Medium 5.3 Published 14 Aug 2026 Updated 14 Aug 2026

Authenticated non-admin users can view settings outside their assigned scope in Tenable Security Center.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-19639?

CVE-2026-19639 is a medium-severity missing authorization vulnerability in Tenable, Inc. Security Center, published on 14 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An improper access control vulnerability exists where an authenticated non-administrative application user could potentially view settings outside of their assigned scope.

Weakness: CWE-1284

Which versions are affected by CVE-2026-19639?

It affects 1 product.

Products include Tenable Security Center.

How do I fix CVE-2026-19639?

No fix has been published for CVE-2026-19639 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-19639 being exploited?

There is no known exploitation of CVE-2026-19639 in the wild and no public exploit code.

Sources

Also known as GHSA-f5m5-34r9-8764.