CVE-2026-28827 Path traversal in macOS
An app can break out of its sandbox due to a path parsing issue, requiring an OS update to fix.
- 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-2026-28827?
CVE-2026-28827 is a critical path traversal vulnerability in Apple Macos, 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
A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4. An app may be able to break out of its sandbox.
Weakness: CWE-22
Which versions are affected by CVE-2026-28827?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-28827?
No fix has been published for CVE-2026-28827 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-2026-28827 being exploited?
There is no known exploitation of CVE-2026-28827 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-4546-p244-689v.