CVE-2026-20669
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
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | macos | to 26.3 (exc) |
Helpful Resources
Exploitability
| 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. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
What immediate steps should I take to mitigate this vulnerability?
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.