CVE-2026-20686 Information disclosure in iOS and iPadOS

Medium 5.3 Published Updated

An app can access sensitive user data due to insufficient input validation, requiring an OS update to mitigate.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-20686?

CVE-2026-20686 is a medium-severity vulnerability in Apple Ipados, published on 25 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This issue was addressed with improved input validation. This issue is fixed in iOS 26.3 and iPadOS 26.3. An app may be able to access sensitive user data.

Weakness: CWE-20

Which versions are affected by CVE-2026-20686?

It affects 2 products.

Products include Apple Ipados, Apple Iphone Os.

How do I fix CVE-2026-20686?

No fix has been published for CVE-2026-20686 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-20686 being exploited?

There is no known exploitation of CVE-2026-20686 in the wild and no public exploit code.

All Apple Ipados vulnerabilities

Sources

Also known as GHSA-qqh3-3q88-f879.

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