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Traefik: `allowCrossNamespace=false` bypass via `@kubernetescrd` TraefikService backendRef

Traefik: `allowCrossNamespace=false` bypass via `@kubernetescrd` TraefikService backendRef

CVE-2026-71325Published 2 weeks agoUpdated 1 week agoSource: OSV

Affected packages

  • github.com/traefik/traefik
  • github.com/traefik/traefik/v2
  • github.com/traefik/traefik/v3

Exploit signal

Known exploited (CISA KEV)
No
EPSS score
EPSS percentile

EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.

Traefik: `allowCrossNamespace=false` bypass via `@kubernetescrd` TraefikService backendRef | HackTribune