CVE-2026-79643 Auth bypass in Secure Connect Gateway 5.0 - Appliance

High 7.3 Published 7 Sep 2026 Updated 8 Sep 2026

Unauthenticated remote attackers can bypass authentication in Dell Secure Connect Gateway to gain unauthorized access.

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

What is CVE-2026-79643?

CVE-2026-79643 is a high-severity authentication bypass vulnerability in Dell Secure Connect Gateway, published on 7 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Use of Incorrect Operator vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to unauthorized access.

Weakness: CWE-480

Which versions are affected by CVE-2026-79643?

It affects 1 product.

Products include Dell Secure Connect Gateway.

How do I fix CVE-2026-79643?

No fix has been published for CVE-2026-79643 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-79643 being exploited?

There is no known exploitation of CVE-2026-79643 in the wild and no public exploit code.

All Dell Secure Connect Gateway vulnerabilities

Sources

Also known as GHSA-4782-5gff-8jxf.