CVE-2026-21043 Path traversal in Samsung Mobile Devices
Local privileged attackers can exploit a path traversal flaw in the Wallpaper service to access files with system server privileges.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21043?
CVE-2026-21043 is a medium-severity path traversal vulnerability in Samsung Mobile Devices, published on 10 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Path traversal in Wallpaper service prior to SMR Jul-2026 Release 1 allows local privileged attackers to access files with system server privilege.
Which versions are affected by CVE-2026-21043?
How do I fix CVE-2026-21043?
No fix has been published for CVE-2026-21043 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-2026-21043 being exploited?
There is no known exploitation of CVE-2026-21043 in the wild and no public exploit code.
Sources
Also known as GHSA-xw53-mwm6-gh7q.