CVE-2026-20669
Modified Modified - Updated After Analysis
Path Validation Flaw in macOS Tahoe Allows Sensitive Data Access

Publication date: 2026-02-11

Last updated on: 2026-02-12

Assigner: Apple Inc.

Description
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.
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Meta Information
Published
2026-02-11
Last Modified
2026-02-12
Generated
2026-06-16
AI Q&A
2026-02-12
EPSS Evaluated
2026-06-15
NVD
CVE-2026-20669
EUVD
EUVD-2026-6710
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
apple macos to 26.3 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
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Executive Summary

This vulnerability is a parsing issue related to the handling of directory paths in macOS Tahoe. It involves improper validation of these paths, which could allow an application to access sensitive user data.

Impact Analysis

An application exploiting this vulnerability may be able to access sensitive user data without proper authorization, potentially leading to privacy breaches or unauthorized data exposure.

Mitigation Strategies

The vulnerability is fixed in macOS Tahoe 26.3 by improved path validation. To mitigate this vulnerability, you should update your macOS Tahoe system to version 26.3 or later.

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