Package impact

golang GO / github.com/traefik/traefik/v3

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KEVHas exploit
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CVE Severity CVSS Risk Flags OS Vendor Published Description
CVE-2026-39858 critical 10.0 10.0 1mo ago Traefik: Pre-authentication decision bypass due to forwarded alias spoofing
CVE-2026-35051 critical 10.0 10.0 1mo ago Traefik's ForwardAuth trustForwardHeader=false allows spoofed X-Forwarded-Prefix to bypass authentication
CVE-2026-44774 critical 9.9 9.9 20d ago Traefik: Gateway API TraefikService backend accepts rest@internal, allowing unauthorized exposure of the REST provider despite providers.rest.insecure=false
CVE-2026-40912 high 8.2 8.2 1mo ago Traefik has an StripPrefixRegex Middleware Authorization Bypass via Path/RawPath Desync
CVE-2026-41174 medium 6.4 6.4 1mo ago Traefik Kubernetes CRD allows unauthorized cross-namespace middleware binding
CVE-2026-41181 medium 5.8 5.8 20d ago Traefik's errors middleware forwards Authorization and Cookie headers to separate error page service
CVE-2026-41263 low 3.7 3.7 1mo ago Traefik: A timing side-channel vulnerability allows for valid username enumeration via BasicAuth middleware