CVE-2026-20694
Symlink Handling Flaw in Apple OS Allows Unauthorized Data Access
Publication date: 2026-03-25
Last updated on: 2026-03-26
Assigner: Apple Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apple | ipados | to 26.3 (exc) |
| apple | iphone_os | to 26.3 (exc) |
| apple | macos | From 15.0 (inc) to 15.7.4 (exc) |
| apple | macos | From 26.0 (inc) to 26.3 (exc) |
| apple | macos | From 14.0 (inc) to 14.8.4 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-61 | The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. |
| CWE-59 | The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. |
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 involves improper handling of symbolic links (symlinks) in certain Apple operating systems. Due to this issue, an application may be able to access user-sensitive data that it should not normally have access to. The problem was addressed by improving how symlinks are handled in the affected systems.
How can this vulnerability impact me? :
The vulnerability can allow an application to access sensitive user data without proper authorization. This could lead to unauthorized disclosure of personal or confidential information stored on the device.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, update your Apple devices to the fixed versions: iOS 26.3, iPadOS 26.3, macOS Sequoia 15.7.4 or 15.7.5, macOS Sonoma 14.8.4 or 14.8.5, and macOS Tahoe 26.3 or 26.4.