CVE-2026-43763 Path traversal in macOS

Medium 5.5 Published Updated

An app can read files outside its sandbox due to a permissions issue, allowing unauthorized data access on macOS.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-43763?

CVE-2026-43763 is a medium-severity path traversal vulnerability in Apple Macos, published on 27 Jul 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A permissions issue was addressed by removing the vulnerable code. This issue is fixed in macOS Sequoia 15.7.8, macOS Sequoia 15.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, macOS Tahoe 26.7. An app may be able to read files outside of its sandbox.

Weakness: CWE-284

Which versions are affected by CVE-2026-43763?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2026-43763?

No fix has been published for CVE-2026-43763 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-2026-43763 being exploited?

There is no known exploitation of CVE-2026-43763 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

Also known as GHSA-pqh8-rh8h-g7fg.

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