Security advisory

{
  "id": "a200f1922a95e87842334c9b8ba208fe1389bdec0178fc617264ec36acc0f08c",
  "url": "https://osv.dev/vulnerability/CVE-2026-53676",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2026-53676",
    "summary": "ThingsBoard contains a prototype pollution vulnerability which may lead to arbitrary code execution within a sandboxed context by a user who can log in to the affected product with the tenant administrator privilege (TENANT_ADMIN).",
    "evidence": "osv:CVE-2026-53676",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-53676",
      "aliases": [
        "CVE-2026-53676"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/thingsboard/thingsboard",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "c37fb50952db983aed707c5d48efed72ba749c89"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "4.3.1.2"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "VersionTextExtraction"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v4.3.1.1",
            "v4.3.1",
            "v4.3.0.1",
            "v4.3",
            "v2.1",
            "v2.0.3",
            "v2.0.2",
            "v2.0",
            "v2.0.1",
            "v1.3.1",
            "v1.2.1",
            "v1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53676.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.211709368Z",
      "provider": "osv",
      "references": [
        "https://jvn.jp/en/jp/JVN16937365/",
        "https://thingsboard.io/docs/releases/releases-table/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53676.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-53676",
        "https://github.com/thingsboard/thingsboard/pull/15600"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-1321"
        ],
        "cna_assigner": "jpcert",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53676.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-53676",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 488213,
  "published_at": "2026-06-17T22:53:56.122+00:00"
}