high
CVE-2026-88009
Traefik rootless HTTP/1 request-target is routed as "/" but forwarded to the backend verbatim - Go parks a rootless target in URL.Opaque, so path-scoped routing rules, path-scoped middleware (auth, allowlists, rate limits) and the access log all see "/" while the backend receives the real path (CVSS 8.8)
- Severity
- high
- Affected product
- Traefik
- Affected versions
- Traefik ≥ 2.0.0, < 2.11.57
- Affected versions
- Traefik ≥ 3.0.0, < 3.7.13
- Fixed in
- Traefik 2.11.57
- Fixed in
- Traefik 3.7.13
- Detection basis
- Appliance fingerprint
- Shipped rule
- Traefik: Traefik rootless HTTP/1 request-target is routed as "/" but forwarded to the backend verbatim - Go parks a rootless target in URL.Opaque, so path-scoped routing rules, path-scoped middleware (auth, allowlists, rate limits) and the access log all see "/" while the backend receives the real path (CVSS 8.8)
- Added to NewScan
- 2026-09-11
- Detected by
- NewScan — free, self-hosted
How NewScan reports it
APPLIANCE FINGERPRINT
NewScan fingerprints the Traefik appliance and reports this CVE when the detected version falls inside the affected range below.
APPLIANCE FINGERPRINT
NewScan fingerprints the Traefik appliance and reports this CVE when the detected version falls inside the affected range below.
References
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