CVE-2026-20998 Auth bypass in Smart Switch

High 7.1 Published 16 Mar 2026 Updated 16 Mar 2026

Remote attackers can bypass authentication in Samsung Smart Switch, potentially gaining unauthorized access to the application.

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-2026-20998?

CVE-2026-20998 is a high-severity authentication bypass vulnerability in Samsung Mobile Smart Switch, published on 16 Mar 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

Improper authentication in Smart Switch prior to version 3.7.69.15 allows remote attackers to bypass authentication.

Which versions are affected by CVE-2026-20998?

It affects 1 product.

Products include Samsung Smart Switch.

How do I fix CVE-2026-20998?

No fix has been published for CVE-2026-20998 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-2026-20998 being exploited?

There is no known exploitation of CVE-2026-20998 in the wild and no public exploit code.

Sources

Also known as GHSA-9j4g-mpf6-p3hh.