Executive brief
Fingerprint vulnerability in uTLS from GREASE ECH mismatch for Chrome parrots in github.com/refraction-networking/utls
Affected products
- Go github.com/refraction-networking/utls
Junglewise Threat Intelligence
CVE-2026-27017: GO-2026-4509 - Fingerprint vulnerability in uTLS from GREASE ECH mismatch for Chrome parrots in github.com/refraction-networking/utls
CVE-2026-27017 · Severity: medium · CVSS 4 · Published 2026-02-24
Technologies: github.com/refraction-networking/utls (Go). Vendors: Go.