CVE-2026-28823 Path traversal in macOS
A path handling flaw allows a privileged app to delete protected system files, requiring an OS update to fix.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-28823?
CVE-2026-28823 is a medium-severity path traversal vulnerability in Apple Macos, published on 25 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A path handling issue was addressed with improved validation. This issue is fixed in macOS Tahoe 26.4. An app with root privileges may be able to delete protected system files.
Weakness: CWE-284
Which versions are affected by CVE-2026-28823?
It affects 1 product.
Products include Apple Macos.
How do I fix CVE-2026-28823?
No fix has been published for CVE-2026-28823 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-2026-28823 being exploited?
There is no known exploitation of CVE-2026-28823 in the wild and no public exploit code.
Other vulnerabilities in Apple Macos
Sources
Also known as GHSA-j9xp-j7mg-j47f.