CVE-2026-78020 Security feature bypass in Secure Connect Gateway (SCG) Policy Manager

High 7.5 Published 9 Oct 2026 Updated 10 Oct 2026

Unauthenticated remote attackers can bypass certificate validation in Dell SCG Policy Manager to achieve remote code execution, data disclosure, and denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-78020?

CVE-2026-78020 is a high-severity vulnerability in Dell Secure Connect Gateway (SCG) Policy Manager, published on 9 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Dell Secure Connect Gateway (SCG) Policy Manager, versions prior to 5.34.00.16, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Denial of service, Information disclosure, and Remote execution.

Weakness: CWE-295

Which versions are affected by CVE-2026-78020?

It affects 1 product.

Products include Dell Policy Manager for Secure Connect Gateway.

How do I fix CVE-2026-78020?

No fix has been published for CVE-2026-78020 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-78020 being exploited?

There is no known exploitation of CVE-2026-78020 in the wild and no public exploit code.

Sources

Also known as GHSA-4wmw-p7m3-h442.