Nodes can delete themselves by adding an OwnerReference

{
  "id": "123f76c9d740b2f34ec8410c5a401d0b9b0f6e3399d71042329f502f33fe9f1b",
  "url": "https://osv.dev/vulnerability/CVE-2025-5187",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Nodes can delete themselves by adding an OwnerReference",
    "summary": "A vulnerability exists in the NodeRestriction admission controller in Kubernetes clusters where node users can delete their corresponding node object by patching themselves with an OwnerReference to a cluster-scoped resource. If the OwnerReference resource does not exist or is subsequently deleted, the given node object will be deleted via garbage collection.",
    "evidence": "osv:CVE-2025-5187",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-5187",
      "aliases": [
        "CVE-2025-5187",
        "GHSA-4x4m-3c2p-qppc",
        "GO-2025-3915"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/kubernetes/kubernetes",
              "type": "GIT",
              "events": [
                {
                  "introduced": "9edcffcde5595e8a5b1a35f88c421764e575afce"
                },
                {
                  "last_affected": "7e94e1ce5c71407a782db8ef701e290bb0246da0"
                },
                {
                  "introduced": "70d3cc986aa8221cd1dfb1121852688902d3bf53"
                },
                {
                  "last_affected": "158eee9fac884b429a92465edd0d88a43f81de34"
                },
                {
                  "introduced": "60a317eadfcb839692a68eab88b2096f4d708f4f"
                },
                {
                  "last_affected": "80779bd6ff08b451e1c165a338a7b69351e9b0b8"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "v1.31.0"
                      },
                      {
                        "last_affected": "v1.31.11"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "v1.32.0"
                      },
                      {
                        "last_affected": "v1.32.7"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "v1.33.0"
                      },
                      {
                        "last_affected": "v1.33.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.31.11",
            "v1.33.3",
            "v1.32.7",
            "v1.32.6",
            "v1.33.2",
            "v1.31.10",
            "v1.31.9",
            "v1.32.5",
            "v1.33.1",
            "v1.33.0",
            "v1.32.4",
            "v1.31.8",
            "v1.31.7",
            "v1.32.3",
            "v1.31.6",
            "v1.32.2",
            "v1.32.1",
            "v1.31.5",
            "v1.32.0",
            "v1.31.4",
            "v1.31.3",
            "v1.31.2",
            "v1.31.1",
            "v1.31.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-5187.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.535640057Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5187.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-5187",
        "https://github.com/kubernetes/kubernetes/issues/133471",
        "https://groups.google.com/g/kubernetes-security-announce/c/znSNY7XCztE"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-863"
        ],
        "cna_assigner": "kubernetes",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/5xxx/CVE-2025-5187.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-5187",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497584,
  "published_at": "2025-08-27T16:20:56.778+00:00"
}