The issue was addressed with improved checks. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. A malicious website may exfiltrate data cross-origin.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade webkit2gtk3Upgrade webkit2gtk3-jscUpgrade webkit2gtk3-develUpgrade webkit2gtk3-jsc-devel | Dec 10, 2025 | Dec 8, 2025 |
| Amazon Linux Ami 2 | — | Upgrade webkitgtk4-debuginfoUpgrade webkitgtk4-jsc-develUpgrade webkitgtk4Upgrade webkitgtk4-develUpgrade webkitgtk4-jsc | May 20, 2026 | May 20, 2026 |
| Apple Osx Webkit | — | Upgrade macOS to the latest version | Nov 28, 2025 | Nov 3, 2025 |
| Apple Safari | — | Upgrade to Apple Safari version 26.1Uninstall Apple Safari on Windows | Nov 4, 2025 | Nov 4, 2025 |
| Debian | — | Upgrade wpewebkitUpgrade webkit2gtk | Dec 3, 2025 | Dec 3, 2025 |
| Oracle_linux | — | Upgrade webkit2gtk3Upgrade webkit2gtk3-jsc-develUpgrade webkit2gtk3-develUpgrade webkit2gtk3-jsc | Dec 10, 2025 | Nov 20, 2025 |
| Redhat_linux | — | Upgrade webkit2gtk3-develUpgrade webkit2gtk3-jsc-debuginfoUpgrade webkit2gtk3-jscUpgrade webkit2gtk3-devel-debuginfoUpgrade webkit2gtk3-jsc-devel-debuginfoUpgrade webkit2gtk3-jsc-develNo solution existsUpgrade webkit2gtk3Upgrade webkit2gtk3-debugsourceUpgrade webkit2gtk3-debuginfo | Dec 9, 2025 | Nov 20, 2025 |
| Ubuntu | — | Upgrade webkit2gtk | Nov 28, 2025 | Nov 27, 2025 |
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