What’s Vulnerable › Products

refraction-networking utls vulnerabilities

2 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 2 published in the last 12 months.

Check whether your refraction-networking utls version is affected

Latest refraction-networking utls vulnerabilities

• CVE-2026-27017 — uTLS has a Chrome Parrot Fingerprint Vulnerability due to GREASE ECH Cipher Suite Mismatch (CVSS 5.3)
• CVE-2026-26994 — uTLS ServerHellos are accepted without checking TLS 1.3 downgrade canaries (CVSS 6.5)