The issue was addressed with improved input validation. This issue is fixed in Safari 18.4, visionOS 2.4, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4. A malicious website may be able to claim WebAuthn credentials from another website that shares a registrable suffix.
2025-03-31T23:15:17.083
2025-11-03T21:19:31.297
Modified
CVSSv3.1: 8.1 (HIGH)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | apple | safari | < 18.4 | Yes |
| Operating System | apple | ipados | < 18.4 | Yes |
| Operating System | apple | iphone_os | < 18.4 | Yes |
| Operating System | apple | macos | < 15.4 | Yes |
| Operating System | apple | visionos | < 2.3 | Yes |