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CVE-2026-100663: Improper Input Validation

🗓️ 26 Sep 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 3 Views

Improper input validation in Netty's HTTP/3 codec allows bypassing tunnel allow-lists.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-100663
28 Sep 202601:16
–circl
cve
CVE
CVE-2026-100663
26 Sep 202613:23
–cve
cvelist
Cvelist
CVE-2026-100663 Netty HTTP/1 CONNECT authority-form mistranslated to malformed HTTP/3
26 Sep 202613:23
–cvelist
debiancve
Debian CVE
CVE-2026-100663
26 Sep 202613:23
–debiancve
euvd
EUVD
EUVD-2026-87757
26 Sep 202613:23
–euvd
nvd
NVD
CVE-2026-100663
26 Sep 202614:16
–nvd
osv
OSV
UBUNTU-CVE-2026-100663
26 Sep 202614:16
–osv
ptsecurity
Positive Technologies
PT-2026-99334
26 Sep 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-100663
27 Sep 202607:47
–redhatcve
snyk
Snyk
HTTP Request Smuggling
26 Sep 202614:17
–snyk
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28 Sep 2026 00:00Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
CVSS 48.7
EPSS0.00301
SSVC
3