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CVE-2026-27017 uTLS has a Chrome Parrot Fingerprint Vulnerability due to GREASE ECH Cipher Suite Mismatch

🗓️ 20 Feb 2026 02:47:17Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

uTLS 1.6.0–1.8.0 has a Chrome fingerprint mismatch with GREASE ECH cipher selection; fixed in 1.8.1.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-27017
20 Feb 202602:47
attackerkb
Chainguard
CVE-2026-27017 vulnerabilities
20 Feb 202601:17
cgr
CNNVD
uTLS 安全漏洞
20 Feb 202600:00
cnnvd
CVE
CVE-2026-27017
20 Feb 202602:47
cve
Debian CVE
CVE-2026-27017
20 Feb 202602:47
debiancve
Github Security Blog
uTLS has a fingerprint vulnerability from GREASE ECH mismatch for Chrome parrots
18 Feb 202622:33
github
NVD
CVE-2026-27017
20 Feb 202603:16
nvd
OPENSUSE Linux
golang-github-v2fly-v2ray-core-5.51.2-1.1 on GA media (moderate)
3 Jun 202600:00
opensuse
OSV
CGA-MC7V-QJH2-P56W
20 Feb 202601:04
osv
OSV
CVE-2026-27017 uTLS has a Chrome Parrot Fingerprint Vulnerability due to GREASE ECH Cipher Suite Mismatch
20 Feb 202602:47
osv
Rows per page
[
  {
    "vendor": "refraction-networking",
    "product": "utls",
    "versions": [
      {
        "version": ">= 1.6.0, < 1.8.1",
        "status": "affected"
      }
    ]
  }
]

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