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Binance warns iPhone crypto holders of security flaw researchers say remains unpatched

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Binance warns iPhone crypto holders of security flaw researchers say remains unpatched

Crypto exchange Binance has warned iPhone users about an iOS vulnerability that could allow malicious apps to access sensitive data stored by other apps. Here are the details.

In a post published on X (via AppleInsider), Binance says that a vulnerability called worse_query could allow “malicious apps to read local files from other apps, putting seed phrases, private keys, and login credentials at risk across the entire ecosystem.”

Binance says the flaw affects iOS 26.7.1, iOS 27.0.1, and iOS 27.2. However, a Community Note points out that researchers describe the vulnerability as an unpatched zero-day and that Apple’s latest security updates, including iOS 27.2.1 (the current version at the time of writing), do not mention a fix.

A vulnerability (worse_query) affecting iOS 26.7.1, 27.0.1, and 27.2 allows malicious apps to read local files from other apps, putting seed phrases, private keys, and login credentials at risk across the entire ecosystem. This is an iOS-level issue, not unique to Binance.…

That said, in addition to updating their devices, Binance recommends that iPhone crypto holders take the following immediate actions:

The vulnerability was disclosed by security researchers @0xjohnny and @forcequitOS, who published a proof of concept on GitHub demonstrating how it can be used to bypass iOS sandbox protections, which normally prevent apps from accessing each other’s files.

Researcher @forcequitOS also noted that neither iOS 27.2.1 nor iOS 27.3 beta 1 patches the vulnerability.

3 beta 1. I’ll update version support on the readme when it’s patched.



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