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Undertow is Vulnerable to HTTP Request/Response Smuggling

🗓️ 27 Mar 2026 18:31:27Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

Undertow is vulnerable to request smuggling when the first header line starts with spaces.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-28369
27 Mar 202616:13
attackerkb
Circl
CVE-2026-28369
27 Mar 202619:19
circl
CNNVD
Undertow 环境问题漏洞
27 Mar 202600:00
cnnvd
CVE
CVE-2026-28369
27 Mar 202616:13
cve
Cvelist
CVE-2026-28369 Undertow: undertow: request smuggling via malformed http request headers
27 Mar 202616:13
cvelist
Debian CVE
CVE-2026-28369
27 Mar 202616:13
debiancve
EUVD
EUVD-2026-16698
27 Mar 202618:31
euvd
NVD
CVE-2026-28369
27 Mar 202617:16
nvd
OSV
DEBIAN-CVE-2026-28369
27 Mar 202617:16
osv
OSV
GHSA-VQQJ-9CMV-HX43 Undertow is Vulnerable to HTTP Request/Response Smuggling
27 Mar 202618:31
osv
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Vulners
Node
io.undertowundertow-parentRange2.3.23.Finalmaven

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31 Mar 2026 23:14Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.7 - 9.1
EPSS0.00048
SSVC
3