CVE-2026-21137 Path traversal in Smart Switch
Physical attackers can exploit a path traversal flaw in Samsung Smart Switch to access files with application privileges.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21137?
CVE-2026-21137 is a medium-severity path traversal vulnerability in Samsung Mobile Smart Switch, published on 12 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Path traversal in Smart Switch prior to version 3.7.73 allows physical attackers to access files with Smart Switch privilege.
Weakness: CWE-22
Which versions are affected by CVE-2026-21137?
How do I fix CVE-2026-21137?
No fix has been published for CVE-2026-21137 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-21137 being exploited?
There is no known exploitation of CVE-2026-21137 in the wild and no public exploit code.
Sources
Also known as GHSA-6fj2-743v-wm6p.