← All CVEs NewScan detects
high

CVE-2026-88004

Traefik entrypoint header-name sanitization bypassed via request trailers - a header Traefik strips or rewrites on the request can be reintroduced in the HTTP trailer section, which the sanitizer never inspects (CVSS 7.0)

Severity
high
Affected product
Traefik
Affected versions
Traefik ≥ 3.2.0, < 3.7.13
Fixed in
Traefik 3.7.13
Detection basis
Appliance fingerprint
Shipped rule
Traefik: Traefik entrypoint header-name sanitization bypassed via request trailers - a header Traefik strips or rewrites on the request can be reintroduced in the HTTP trailer section, which the sanitizer never inspects (CVSS 7.0)
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.

References

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