Improper limitation of a pathname to a restricted directory ('path traversal') in macOS - CVE-2026-20688

 

Improper limitation of a pathname to a restricted directory ('path traversal') in macOS - CVE-2026-20688

Published: March 25, 2026


Vulnerability identifier: #VU124375
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-20688
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Apple Inc.
Affected software:
macOS

Detailed vulnerability description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to incorrect handling of path names in Printing. A local application can break out of its sandbox.


How to mitigate CVE-2026-20688

Install update from vendor's website.

Sources