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Traefik: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case hosts

🗓️ 16 Jun 2026 21:04:29Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 8 Views

Traefik HTTP/3 TLS SNI lookup bypasses mTLS for wildcard or case variants, default TLS used.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-53622
23 Jun 202619:13
attackerkb
AlpineLinux
CVE-2026-53622
23 Jun 202619:13
alpinelinux
Chainguard
CVE-2026-53622 vulnerabilities
1 Jul 202602:17
cgr
Circl
CVE-2026-53622
5 Jun 202610:26
circl
CVE
CVE-2026-53622
23 Jun 202619:13
cve
Cvelist
CVE-2026-53622 Traefik: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case hosts
23 Jun 202619:13
cvelist
EUVD
EUVD-2026-38576
23 Jun 202619:13
euvd
NVD
CVE-2026-53622
23 Jun 202620:16
nvd
OPENSUSE Linux
traefik-3.7.5-1.1 on GA media (moderate)
18 Jun 202600:00
opensuse
OSV
CGA-R3CW-HGF3-8CPF
1 Jul 202605:19
osv
Rows per page
Vulners
Node
traefiktraefikRange1.7.34go
OR
traefiktraefikRange2.11.50go
OR
traefiktraefikRange3.7.2go

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16 Jun 2026 21:04Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.19.1 - 10
CVSS 47.8
EPSS0.0024
SSVC
8