Cyber Security News

Samsung One UI Vulnerability Leaks Sensitive Data in Plain Text With No Expiration!

A glaring vulnerability has come to light within Samsung’s One UI interface: the clipboard history function stores all copied text, including sensitive data like passwords and personal information, in plain text and retains it indefinitely, unless users manually delete it.

For countless smartphone users, copying and pasting is a daily activity. Complex passwords, banking information, and other confidential details are often transferred using the clipboard, many relying on password managers like KeePass to generate and input secure credentials.

However, under Samsung’s One UI, every snippet of text you copy, regardless of its sensitivity, is quietly saved to the device’s clipboard history.

Unlike many competing platforms, Samsung’s clipboard history does not automatically expire or clear itself after a set period.

This means any text copied days or even weeks ago remains accessible to anyone with physical access to the device. The only way to remove sensitive entries is to painstakingly delete them one by one through the clipboard management interface.

Some users, upon discovering this issue, have attempted to sidestep it by switching to third-party keyboards like Gboard (Google’s popular keyboard app).

Unfortunately, such attempts are in vain. The clipboard feature is deeply integrated into Samsung’s system software, not the keyboard itself.

As a result, regardless of which keyboard app is used, every copied item continues to be saved in plain text to Samsung’s clipboard history.

A Potential Goldmine for Attackers

This silent archiving of personal data creates a treasure trove for would-be attackers. If a Samsung phone is lost, stolen, or even briefly accessed by a friend or stranger while unlocked, the entire clipboard history can be browsed in seconds.

Passwords, two-factor authentication codes, private messages, and other confidential information may all be exposed with just a few taps.

Security experts are raising alarms and users are expressing outrage, demanding Samsung address this pressing issue.

Many suggest Samsung should implement an auto-expiry feature for clipboard history—a setting common on systems like Windows and some Android versions, where clipboard data is cleared after a few minutes or hours.

For now, Samsung device owners are urged to manually clear their clipboard history regularly and exercise extreme caution when copying sensitive information.

The hope is that Samsung will respond swiftly, introducing a secure, user-friendly solution in upcoming One UI updates.

Samsung has yet to comment on this security flaw. Meanwhile, millions of users are left vulnerable, highlighting once again the crucial importance of privacy-first design in modern smartphone software.

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Divya

Divya is a Senior Journalist at GBhackers covering Cyber Attacks, Threats, Breaches, Vulnerabilities and other happenings in the cyber world.

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