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Is Traefik 2.11.60 affected?

Oct 20, 2026 · Release notes ↗

CVSS 9.8

33 known vulnerabilities affect 2.11.60 (highest CVSS 9.8).

Your branch 2.11 has reached end of life (Sep 7, 2026).

2.11.60 is the latest release of its track.

A newer release line is out: 3.7.16.

Vulnerabilities affecting 2.11.60

  • 9.8
    CVE-2024-45410 HTTP client can remove the X-Forwarded headers
  • 7.8
    CVE-2026-40912 StripPrefixRegex auth bypass via Path/RawPath desync
  • 7.8
    CVE-2026-35051 ForwardAuth trustForwardHeader=false allows spoofed X-Forwarded-Prefix to bypass auth
  • 7.8
    CVE-2026-39858 Forwarded alias spoofing top pre-auth decision bypass
  • 7.8
    CVE-2026-33186 Fix CVE-2026-33186
  • 7.8
    CVE-2026-32305 Potential mTLS Bypass via Fragmented TLS ClientHello Causing Pre-SNI Sniff Fallback to Default Non-mTLS TLS Config
  • 7.8
    CVE-2025-68121 TLS ClientAuth Bypass on HTTP/3
  • 7.8
    CVE-2025-66490 Path Normalization Bypass in Traefik Router + Middleware Rules
  • 7.7
    CVE-2026-27141 HTTP/2 frames can cause a running server to panic
  • 7.5
    CVE-2026-26999 TLS Handshake Error Handling Allows Stalled Connections on TCP Routers
  • 7.5
    CVE-2024-39321 Bypassing IP allow-lists via HTTP/3 early data requests in QUIC 0-RTT handshakes
  • 7.3
    CVE-2025-54386 Path Traversal in WASM Client Plugin
  • 6.3
    CVE-2026-41263 BasicAuth middleware: timing side-channel vulnerability
  • 6.3
    CVE-2026-32695 Ingress Rule Injection Allows Host Restriction Bypass in Traefik
  • 6.3
    CVE-2026-32595 BasicAuth Middleware Timing Attack Allows Username Enumeration
  • 6.1
    CVE-2026-29777 Kubernetes gateway rule injection via unescaped backticks in HTTPRoute match values
  • 5.9
    CVE-2026-22045 ACME TLS-ALPN fast path lacks timeouts and close on handshake stall
  • 5.1
    CVE-2026-33433 BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField
  • 4.8
    CVE-2026-41174 Traefik Kubernetes CRD allows unauthorized cross-namespace middleware binding
  • 4.4
    CVE-2026-26998 ForwardAuth Middleware Allows Unbounded Response Body, Causing Potential Denial of Service
  • low
    CVE-2025-47952 Path traversal still possible using url encoding
  • high
    CVE-2025-32431 Path Matchers Vulnerability
  • medium
    CVE-2024-53259 Fix CVE-2024-53259
  • low
    CVE-2024-52003 X-Forwarded-Prefix Header allows for Open Redirect
  • medium
    CVE-2024-35255 ACME DNS: Azure Identity Libraries Elevation of Privilege Vulnerability
  • medium
    CVE-2024-24790 Unexpected behavior with IPv4-mapped IPv6 addresses
  • medium
    CVE-2024-24787 Malformed DNS message can cause infinite loop
  • medium
    CVE-2023-45288 Fix CVE-2023-45288 - HTTP/2 CONTINUATION flood in net/http
  • high
    CVE-2024-28869 Possible DoS vulnerability with Content-length header
  • medium
    CVE-2023-47124 Potential DDoS whith ACME HTTPChallenge
  • medium
    CVE-2023-47633 Uses 100% CPU after request to with host `traefik-service`
  • low
    CVE-2023-47106 Incorrect processing of fragment in the URL leads to Authorization Bypass
  • medium
    GHSA-7v4p-328v-8v5g HTTP/2 request could cause a deny of service
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