CVE-2026-21012 Path traversal in Samsung Mobile Devices

Medium 6.8 Published Updated

A privileged local attacker can exploit external file name control in AODManager to create files with system privileges, requiring a security patch.

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-2026-21012?

CVE-2026-21012 is a medium-severity path traversal vulnerability in Samsung Android, published on 13 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

External control of file name in AODManager prior to SMR Apr-2026 Release 1 allows privileged local attacker to create file with system privilege.

Which versions are affected by CVE-2026-21012?

It affects 1 product.

Products include Samsung Android.

How do I fix CVE-2026-21012?

No fix has been published for CVE-2026-21012 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-2026-21012 being exploited?

There is no known exploitation of CVE-2026-21012 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Samsung Android vulnerabilities

Sources

Also known as GHSA-ff89-7r94-6q4q.

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