CVE-2026-43791 Path traversal in macOS
An app can read arbitrary files due to a validation issue, requiring an OS update to fix.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-43791?
CVE-2026-43791 is a medium-severity path traversal vulnerability in Apple Macos, published on 14 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A validation issue was addressed with improved input sanitization. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to read arbitrary files.
Weakness: CWE-22
Which versions are affected by CVE-2026-43791?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-43791?
No fix has been published for CVE-2026-43791 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-2026-43791 being exploited?
There is no known exploitation of CVE-2026-43791 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-vcfj-5w9c-j2jw.