CVE-2026-78339 Missing authorization in Secure Connect Gateway (SCG) Policy Manager

Medium 6.3 Published 9 Oct 2026 Updated 10 Oct 2026

A local low-privileged attacker can exploit incorrect permissions to disclose information and bypass protections in Dell Secure Connect Gateway Policy Manager.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-78339?

CVE-2026-78339 is a medium-severity missing authorization vulnerability in Dell Secure Connect Gateway (SCG) Policy Manager, published on 9 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Incorrect Permission Assignment for Critical Resource vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information disclosure, Protection mechanism bypass, and Unauthorized access.

Weakness: CWE-732

Which versions are affected by CVE-2026-78339?

It affects 1 product.

Products include Dell Policy Manager for Secure Connect Gateway.

How do I fix CVE-2026-78339?

No fix has been published for CVE-2026-78339 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-2026-78339 being exploited?

There is no known exploitation of CVE-2026-78339 in the wild and no public exploit code.

Sources

Also known as GHSA-4pvw-c4q7-9cf5.