CVE-2026-28856 Auth bypass in iOS and iPadOS
An attacker with physical access to a locked Apple device can view sensitive user information due to an authentication bypass.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-28856?
CVE-2026-28856 is a medium-severity authentication bypass vulnerability in Apple Ipados, published on 25 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The issue was addressed with improved authentication. This issue is fixed in iOS 26.4 and iPadOS 26.4, visionOS 26.4, watchOS 26.4. An attacker with physical access to a locked device may be able to view sensitive user information.
Weakness: CWE-284
Which versions are affected by CVE-2026-28856?
It affects 4 products.
Products include Apple Ipados, Apple Iphone Os, Apple Visionos, Apple Watchos.
How do I fix CVE-2026-28856?
No fix has been published for CVE-2026-28856 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-28856 being exploited?
There is no known exploitation of CVE-2026-28856 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as GHSA-9chh-mhfr-3v8v.