Is Traefik 3.2.3 affected?
Dec 16, 2024 · Release notes ↗
48 known vulnerabilities affect 3.2.3 (highest CVSS 9.3).
Your branch 3.2 has reached end of life (Jan 6, 2025).
62 newer releases in its track, up to 3.7.16. What changed up to 3.7.16
Vulnerabilities affecting 3.2.3
- 9.3
- 9.1
- 8.8 CVE-2026-88009 Rootless HTTP/1 request-target routes as "/" but is forwarded verbatim, bypassing path-scoped routing, middleware guards and access logging
- 8.2 GHSA-ww7c-q3mv-xx22 Data race on the shared bufio.Reader after an HTTP/1 upgrade in FastProxy panics the whole process
- 8.2
- 7.8
- 7.8
- 7.8
- 7.8
- 7.8 CVE-2026-35051 ForwardAuth trustForwardHeader=false allows spoofed X-Forwarded-Prefix to bypass auth
- 7.8
- 7.8
- 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
- 7.8
- 7.7
- 7.6
- 7.5
- 7.5
- 7.5
- 7.3
- 7.0 GHSA-hrpp-p4fc-wwf8 ForwardAuth shares the auth-server connection pool, leaking NTLM/Negotiate-bound identity across clients
- 7.0 GHSA-53qr-784g-cj35 FastProxy backend connection pool leaks connection-bound NTLM/Negotiate identity to unauthenticated clients
- 7.0 GHSA-cw35-4q88-3rmp Connection-scoped NTLM/Kerberos sticky round tripper is not keyed by service, applying one service TLS client config to another
- 7.0 GHSA-qm9f-w54v-q2qh Preauthenticated Negotiate contaminates Traefik's globally shared backend connection pool
- 7.0
- 7.0
- 7.0 CVE-2026-71324 Cross-user response poisoning via proxied CONNECT on Traefik's shared backend keep-alive pool
- 6.9 GHSA-2272-4vv8-65ww Negated Host matcher causes a TLS option conflict that disables client-certificate authentication on the excluded host
- 6.9 CVE-2026-54764 ForwardAuth middleware leaks X-Forwarded-Port spoofing via untrusted X-Forwarded-Proto when trustForwardHeader=false
- 6.9 CVE-2026-41181 Errors middleware forwards Authorization and Cookie headers to separate error page service
- 6.4 GHSA-rh7m-2m44-x32f Traefik: Kubernetes Ingress and Service annotations allow cross-namespace references to Middlewares, ServersTransports, and TLSOptions
- 6.4 CVE-2026-44774 Gateway API TraefikService backend accepts rest@internal, allowing unauthorized exposure of the REST provider despite providers.rest.insecure=false
- 6.3 GHSA-mhjw-hmjv-p99x Unsynchronized write to the per-connection sticky round tripper shared by concurrent HTTP/2 streams
- 6.3
- 6.3
- 6.3
- 6.1
- 5.9
- 5.3 CVE-2026-88012 respondingTimeouts.readTimeout is not applied to HTTP/3, leaving slow-body uploads unbounded
- 5.3
- 5.1
- 4.8
- 4.8
- 4.4 CVE-2026-26998 ForwardAuth Middleware Allows Unbounded Response Body, Causing Potential Denial of Service
- high CVE-2026-54763 Incomplete fix for CVE-2026-33433 + CVE-2026-39858 cross-cohort: headerField underscore-variant identity spoofing in BasicAuth / DigestAuth / ForwardAuth
- low
- high
Newer releases
| 3.7.16 | Oct 20, 2026 | 3.2.3 → 3.7.16 |
| 3.7.15 | Oct 15, 2026 | 3.2.3 → 3.7.15 |
| 3.7.14 | Oct 6, 2026 | 3.2.3 → 3.7.14 |
| 3.7.13 | Sep 4, 2026 | 3.2.3 → 3.7.13 |
| 3.7.12 | Aug 26, 2026 | 3.2.3 → 3.7.12 |
| 3.7.11 | Aug 19, 2026 | 3.2.3 → 3.7.11 |
| 3.7.10 | Jul 31, 2026 | 3.2.3 → 3.7.10 |
| 3.7.9 | Jul 24, 2026 | 3.2.3 → 3.7.9 |
| 3.7.8 | Jul 15, 2026 | 3.2.3 → 3.7.8 |
| 3.7.7 | Jul 8, 2026 | 3.2.3 → 3.7.7 |
| 3.7.6 | Jun 30, 2026 | 3.2.3 → 3.7.6 |
| 3.7.5 | Jun 10, 2026 | 3.2.3 → 3.7.5 |
| 3.7.4 | Jun 5, 2026 | 3.2.3 → 3.7.4 |
| 3.7.3 | Jun 4, 2026 | 3.2.3 → 3.7.3 |
| 3.7.1 | May 11, 2026 | 3.2.3 → 3.7.1 |