Sec-CH-UA brand version disagrees with the UA-string Chrome version
net.ch_ua_version_vs_ua · convicts
network, browserlayer
coherencecategory
5evaders caught
What it catches
A real Chromium keeps UA and Sec-CH-UA versions identical; mismatched scraper header sets do not
Signals it reads
network.ch_ua_version_mismatch
How it fires
present
Evaders it caught 5
Bypassed by 10
Frontier evaders that reach the detector uncaught (scored only suspicious, defeating every convicting tell) — this check is not one that stops them. The red-team frontier this detection still has to convict.