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CVE-2026-100659

🗓️ 26 Sep 2026 13:23:26Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 26 Views

Remote unauthenticated bypass in netty-codec-http3 4.2.0.Final-4.2.17.Final via :authority.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-100659 Netty 4.2.0 through 4.2.17 HTTP/3 Request Routing Bypass
26 Sep 202613:23
–cvelist
debiancve
Debian CVE
CVE-2026-100659
26 Sep 202613:23
–debiancve
euvd
EUVD
EUVD-2026-87753
26 Sep 202613:23
–euvd
mend
Mend
CVE-2026-100659
26 Sep 202613:23
–mend
nvd
NVD
CVE-2026-100659
26 Sep 202614:16
–nvd
osv_ubuntu
osv_ubuntu
UBUNTU-CVE-2026-100659
26 Sep 202614:16
–osv_ubuntu
ptsecurity
Positive Technologies
PT-2026-99330
26 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-100659: Inconsistent Interpretation of HTTP Requests
26 Sep 202600:00
–rapid7
redhatcve
RedhatCVE
CVE-2026-100659
27 Sep 202607:47
–redhatcve
snyk
Snyk
HTTP Request Smuggling
26 Sep 202614:17
–snyk
Rows per page
Vulners
CNA
Node
nettynettyRange4.2.0.final–4.2.18.final
[
  {
    "vendor": "netty",
    "product": "netty",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:maven/io.netty/netty-codec-http3",
    "versions": [
      {
        "version": "4.2.0.Final",
        "status": "affected",
        "versionType": "custom",
        "lessThan": "4.2.18.Final"
      },
      {
        "version": "4.2.18.Final",
        "status": "unaffected",
        "versionType": "custom"
      }
    ]
  }
]

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28 Sep 2026 19:16Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.5
CVSS 46.9
EPSS0.00236
SSVC
26