CVE-2026-20660

A path handling issue was addressed with improved logic. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. A remote user may be able to write arbitrary files.

• CWE-22

• https://support.apple.com/en-us/126346Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126347Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126348Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126350Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126353Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126354Release Notes, Vendor Advisory
• https://support.apple.com/en-us/126795

Published

Feb 11, 2026

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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