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CVE-2026-53622

🗓️ 23 Jun 2026 19:13:28Reported by MendType 
mend
 mend
🔗 www.mend.io👁 6 Views

Unauthenticated mTLS bypass in Traefik HTTP/3 (QUIC) TLS configuration selection.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-53622
23 Jun 202619:13
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-53622
23 Jun 202619:13
–alpinelinux
cgr
Chainguard
CVE-2026-53622 vulnerabilities
1 Jul 202602:17
–cgr
circl
Circl
CVE-2026-53622
5 Jun 202610:26
–circl
cve
CVE
CVE-2026-53622
23 Jun 202619:13
–cve
cvelist
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
EUVD-2026-38576
23 Jun 202619:13
–euvd
github
Github Security Blog
Traefik: HTTP/3 mTLS bypass via exact SNI TLSOptions lookup for wildcard and mixed-case hosts
16 Jun 202621:04
–github
nvd
NVD
CVE-2026-53622
23 Jun 202620:16
–nvd
opensuse
OPENSUSE Linux
traefik-3.7.5-1.1 on GA media (moderate)
18 Jun 202600:00
–opensuse
Rows per page
Vulners
Node
OR
traefiktraefikRange3.0.0–3.4.1
traefiktraefikRange3.7.0–3.7.3
traefiktraefikRange1.0.0-rc1–3.6.18
traefiktraefikRange1.0.0-rc1–2.11.51

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07 Oct 2026 22:49Current
5.9Medium risk
Vulners AI Score5.9
CVSS 47.8
CVSS 3.19.1 - 10
EPSS0.00629
SSVC
6