Security advisory

{
  "id": "35c237b6e7498e3977fdb8bc5d411b13a152e5b10d2e6922155a002f75d449a3",
  "url": "https://osv.dev/vulnerability/CVE-2021-4278",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-4278",
    "summary": "A vulnerability classified as problematic has been found in cronvel tree-kit up to 0.6.x. This affects an unknown part. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). Upgrading to version 0.7.0 is able to address this issue. The name of the patch is a63f559c50d70e8cb2eaae670dec25d1dbc4afcd. It is recommended to upgrade the affected component. The identifier VDB-216765 was assigned to this vulnerability.",
    "evidence": "osv:CVE-2021-4278",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-4278",
      "aliases": [
        "CVE-2021-4278",
        "GHSA-mw4x-g2x8-qcvf"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/cronvel/tree-kit",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "a63f559c50d70e8cb2eaae670dec25d1dbc4afcd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:tree_kit_project:tree_kit:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.7.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a63f559c50d70e8cb2eaae670dec25d1dbc4afcd"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "a63f559c50d70e8cb2eaae670dec25d1dbc4afcd"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v0.7.0"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v0.6.2",
            "v0.6.1",
            "v0.6.0",
            "v0.5.27",
            "v0.5.26",
            "v0.5.25",
            "v0.5.24",
            "v0.5.23",
            "v0.5.22",
            "v0.5.21",
            "v0.5.20",
            "v0.5.19",
            "v0.5.18",
            "v0.5.17",
            "v0.5.16",
            "v0.5.15",
            "v0.5.14",
            "v0.5.13",
            "v0.5.12",
            "v0.5.11",
            "v0.5.10",
            "v0.5.9",
            "v0.5.8",
            "v0.5.7",
            "v0.5.6",
            "v0.5.5",
            "v0.5.4",
            "v0.5.3",
            "v0.5.2",
            "v0.5.1",
            "v0.5.0",
            "v0.4.4",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.3.6",
            "v0.3.5",
            "v0.3.4",
            "v0.3.3",
            "v0.3.2",
            "v0.3.1",
            "v0.2.4",
            "v0.2.3",
            "v0.2.2",
            "v0.2.1",
            "v0.1.10",
            "v0.1.8",
            "v0.1.6",
            "v0.1.5",
            "v0.1.4",
            "v0.1.3",
            "v0.1.2",
            "v0.1.1",
            "v0.0.5",
            "v0.0.4",
            "v0.0.3",
            "v0.0.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4278.json"
          }
        }
      ],
      "modified": "2026-10-20T10:55:01.647920713Z",
      "provider": "osv",
      "references": [
        "https://github.com/cronvel/tree-kit/releases/tag/v0.7.0",
        "https://vuldb.com/?ctiid.216765",
        "https://vuldb.com/?id.216765",
        "https://github.com/cronvel/tree-kit/commit/a63f559c50d70e8cb2eaae670dec25d1dbc4afcd"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-4278",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 386716,
  "published_at": "2022-12-25T16:15:10.4+00:00"
}