Apple WebKit User Fingerprinting Vulnerability
Vulnerability
A vulnerability in WebKit, the engine used by Safari, allows for user fingerprinting through improved state management. This issue affects Safari 26.4, as well as iOS 26.4, iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4, and watchOS 26.4. The vulnerability arises from an authorization issue that could be exploited by a maliciously crafted webpage to track users.
Impact
Exploitation of this vulnerability could lead to unauthorized user fingerprinting, allowing websites to track user behavior across sessions.
Added: Mar 25, 2026, 3:03 AM
Updated: Mar 25, 2026, 3:03 AM
Vulnerability Rating
Custom Algorithm
spread
0.0impact
0.8exploitability
6.2remediation
0.0relevance
4.7threat
0.0urgency
2.9incentive
0.0Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.