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GO-2026-4509
Fingerprint vulnerability in uTLS from GREASE ECH mismatch for Chrome parrots in github.com/refraction-networking/utls
Quick fix
GO-2026-4509 — github.com/refraction-networking/utls: upgrade to the fixed version with the command below.
go get github.com/refraction-networking/utls@v1.8.1Details
Fingerprint vulnerability in uTLS from GREASE ECH mismatch for Chrome parrots in github.com/refraction-networking/utls
Are you affected?
Enter the version of the package you're using.
Affected packages
Go/github.com/refraction-networking/utls
Introduced in:
1.6.0Fixed in: 1.8.1Fix
go get github.com/refraction-networking/utls@v1.8.1