What is CVE-2026-20669?

CVE-2026-20669 is a medium-severity vulnerability in Apple Macos, classified under Path Traversal. CVSS score: 5.5/10. Published 2026-02-11.

How severe is CVE-2026-20669?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Path Traversal in Apple Macos

CVE-2026-20669

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Tahoe 26.3. An app may be able to access sensitive user data.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.001 (2.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Apple Macos — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

product-security@apple.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-20669?: CVE-2026-20669 is a medium-severity vulnerability in Apple Macos, classified under Path Traversal. CVSS score: 5.5/10. Published 2026-02-11.
How severe is CVE-2026-20669?: Medium severity. CVSS v3 base score is 5.5 out of 10.