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CVE-2026-22045 Traefik's ACME TLS-ALPN fast path lacks timeouts and close on handshake stall

🗓️ 15 Jan 2026 22:44:05Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 18 Views

Traefik before 2.11.35 and 3.6.7 allows DoS via unauthenticated clients stalling ACME TLS-ALPN.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
FreeBSD
traefik -- ACME TLS-ALPN fast path potential DoS
15 Jan 202600:00
freebsd
ATTACKERKB
CVE-2026-22045
15 Jan 202622:44
attackerkb
AlpineLinux
CVE-2026-22045
15 Jan 202622:44
alpinelinux
Chainguard
CVE-2026-22045 vulnerabilities
11 Apr 202614:18
cgr
Circl
CVE-2026-22045
24 Jan 202621:24
circl
CNNVD
Traefik security vulnerabilities
15 Jan 202600:00
cnnvd
CVE
CVE-2026-22045
15 Jan 202622:44
cve
EUVD
EUVD-2026-2949
15 Jan 202622:58
euvd
Tenable Nessus
FreeBSD : traefik -- ACME TLS-ALPN fast path potential DoS (1a82bf18-0417-11f1-be6f-5404a68ad561)
8 Feb 202600:00
nessus
Github Security Blog
Traefik's ACME TLS-ALPN fast path lacks timeouts and close on handshake stall
15 Jan 202622:58
github
Rows per page
[
  {
    "vendor": "traefik",
    "product": "traefik",
    "versions": [
      {
        "version": "< 2.11.35",
        "status": "affected"
      },
      {
        "version": ">=3.0.0-beta1, < 3.6.7",
        "status": "affected"
      }
    ]
  }
]

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