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6.5 — HIGH

Apple WebKit privacy leaks impact Tor, Psylo, and iCloud Private Relay

📅 5 August 2026 at 11:24 UTC📰 Cyber InsiderView original source ↗
Apple WebKit privacy leaks impact Tor, Psylo, and iCloud Private Relay

Researchers have discovered three WebKit features that can bypass application-level proxy settings on iOS and macOS, potentially exposing users' real IP addresses or DNS servers. The leaks affect proxy-based browsers, including iOS Tor browsers and Psylo, as well as Apple’s iCloud Private Relay. The investigation began after a Psylo user reported DNS leaks on certain … The post Apple WebKit privacy leaks impact Tor, Psylo, and iCloud Private Relay appeared first on CyberInsider.

🤖 AI BriefingAuto-generated threat analysis
🔍Threat Overview

Three WebKit features have been discovered that can bypass application-level proxy settings on iOS and macOS, potentially exposing users' real IP addresses or DNS servers.

⚙️Technical Details
Affected Systems
iOSmacOS
Attack Vectors
dns-prefetchWebAuthn Related Origin RequestsWebTransport
💥Impact Assessment
Severity: high
🛡️Recommended Actions
1Update or disable affected browsers
2Use a VPN when using proxy-based browsers
3Disable WebTransport for individual browsing silos
📦Affected Products
iOSmacOSiCloud Private Relay

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