data/osv/GO-2026-6367.json

{
  "schema_version": "1.3.1",
  "id": "GO-2026-6367",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2026-56743",
    "GHSA-fm8w-2m5w-9j7r"
  ],
  "summary": "Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match in github.com/cilium/cilium",
  "details": "Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match in github.com/cilium/cilium",
  "affected": [
    {
      "package": {
        "name": "github.com/cilium/cilium",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "1.19.0"
            },
            {
              "fixed": "1.19.5"
            }
          ]
        }
      ],
      "ecosystem_specific": {}
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/cilium/cilium/security/advisories/GHSA-fm8w-2m5w-9j7r"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56743"
    },
    {
      "type": "FIX",
      "url": "https://github.com/cilium/cilium/commit/1c84ae3b58a7cd54f7ee355e6c524c82f620eae8"
    },
    {
      "type": "FIX",
      "url": "https://github.com/cilium/cilium/commit/bacea640404c0805c23515353dc1681c5bf35171"
    },
    {
      "type": "FIX",
      "url": "https://github.com/cilium/cilium/pull/46305"
    },
    {
      "type": "FIX",
      "url": "https://github.com/cilium/cilium/pull/46456"
    },
    {
      "type": "WEB",
      "url": "https://github.com/cilium/cilium/releases/tag/v1.19.5"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2026-6367",
    "review_status": "UNREVIEWED"
  }
}