BrowserGate: Technical breakdown of LinkedIn’s covert browser extension fingerprinting
People > Companies ❤️ - programming.dev [Unofficial]
April 4, 2026
submitted by Blaze to privacy
68 points | 5 comments
https://the.unknown-universe.co.uk/privacy-security/linkedin-browsergate/
LinkedIn is using hidden JS to scan your browser for over 6,000 specific extension IDs via a known Chromium vulnerability. By inventorying your local software, they can infer highly sensitive “Special Category” data like health status, religion, and political advocacy without consent.
I’ve joined the dots on why Chromium-based “Shields” fail here and how to harden your home lab/network to stop the leak.
Discussion in the ATmosphere