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CVE-2026-75595 Netty: SNI Routing Bypass via Fragmented TLS ClientHello Causing Fallback to Default SslContext

🗓️ 19 Aug 2026 21:00:27Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 53 Views

Netty 4.1/4.2 SNI bypass via fragmented ClientHello falls back to default SslContext, bypassing mTLS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-75595
19 Aug 202622:12
circl
cve
CVE
CVE-2026-75595
19 Aug 202621:00
cve
debiancve
Debian CVE
CVE-2026-75595
19 Aug 202621:00
debiancve
euvd
EUVD
EUVD-2026-63095
8 Sep 202618:16
euvd
nvd
NVD
CVE-2026-75595
19 Aug 202621:17
nvd
osv
OSV
CLEANSTART-2026-JY55743 Netty is an asynchronous, event-driven network application framework
3 Sep 202607:09
osv
osv
OSV
CLEANSTART-2026-LB53225 Netty (io
3 Sep 202607:09
osv
osv
OSV
CLEANSTART-2026-NO82484 Security fixes in cassandra-reaper-fips 4.2.5-r1
1 Sep 202611:17
osv
osv
OSV
DEBIAN-CVE-2026-75595
19 Aug 202621:17
osv
osv
OSV
UBUNTU-CVE-2026-75595
19 Aug 202621:17
osv
Rows per page
[
  {
    "vendor": "netty",
    "product": "netty",
    "versions": [
      {
        "version": "< 4.1.137.Final",
        "status": "affected"
      },
      {
        "version": ">= 4.2.0.Final, < 4.2.17.Final",
        "status": "affected"
      }
    ]
  }
]

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19 Aug 2026 21:00Current
CVSS 49.1
EPSS0.00317
53