Executive brief
Cilium has an information leakage via insecure default Hubble UI CORS header in github.com/cilium/cilium
Affected products
- Go github.com/cilium/cilium
Junglewise Threat Intelligence
CVE-2025-23047: GO-2025-3416 - Cilium has an information leakage via insecure default Hubble UI CORS header in github.com/cilium/cilium
CVE-2025-23047 · Severity: low · CVSS 3.1 · Published 2025-01-28
Technologies: github.com/cilium/cilium (Go). Vendors: Go.
Related threats
- Cilium incorrect authorization in Kubernetes NetworkPolicy ipBlock rules
- Cilium world-accessible Envoy admin socket on cluster nodes
- Cilium traffic hijacking via CiliumLocalRedirectPolicy addressMatcher
- Cilium sensitive information disclosure in cilium-bugtool
- GO-2026-4856 - Cilium L7 proxy may bypass Kubernetes NetworkPolicy for same-node traffic in github.com/cilium/cilium