Security advisory

{
  "id": "9569f5d4051c209514e80d919be5b232c45659c7cdbfbe8b57ba20ebc6af1a9e",
  "url": "https://osv.dev/vulnerability/CVE-2019-18841",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-18841",
    "summary": "Chartkick.js 3.1.0 through 3.1.3, as used in the Chartkick gem before 3.3.0 for Ruby, allows prototype pollution.",
    "evidence": "osv:CVE-2019-18841",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-18841",
      "aliases": [
        "CVE-2019-18841",
        "GHSA-5pm8-492c-92p5"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ankane/chartkick",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b810936bbf687bc74c5b6dba72d2397a399885fa"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "b810936bbf687bc74c5b6dba72d2397a399885fa"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.2.2",
            "v3.2.1",
            "v3.2.0",
            "v3.1.0",
            "v3.0.2",
            "v3.0.1",
            "v3.0.0",
            "v2.3.5",
            "v2.3.4",
            "v2.3.3",
            "v2.3.2",
            "v2.3.1",
            "v2.3.0",
            "v2.2.5",
            "v2.2.4",
            "v2.2.3",
            "v2.2.2",
            "v2.2.1",
            "v2.2.0",
            "v2.1.3",
            "v2.1.2",
            "v2.1.1",
            "v2.1.0",
            "v2.0.2",
            "v2.0.1",
            "v2.0.0",
            "v1.5.2",
            "v1.5.1",
            "v1.5.0",
            "v1.4.2",
            "v1.4.1",
            "v1.4.0",
            "v1.3.2",
            "v1.3.1",
            "v1.3.0",
            "v1.2.5",
            "v1.2.4",
            "v1.2.3",
            "v1.2.2",
            "v1.2.1",
            "v1.2.0",
            "v1.1.3",
            "v1.1.2",
            "v1.1.1",
            "v1.1.0",
            "v1.0.1",
            "v1.0.0",
            "v0.0.5",
            "v0.0.4",
            "v0.0.3",
            "v0.0.2",
            "v0.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18841.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/ankane/chartkick.js",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ece4f500c29c9ac82da05e28a7d0997b0f15536f"
                },
                {
                  "last_affected": "5334d282d9b8cf36b766b60fd2fe01c200f566db"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:chartkick:chartkick.js:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.1.0"
                      },
                      {
                        "last_affected": "3.1.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.1.3",
            "v3.1.2",
            "v3.1.1",
            "v3.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18841.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:51.387843628Z",
      "provider": "osv",
      "references": [
        "https://chartkick.com",
        "https://github.com/ankane/chartkick.js/issues/117",
        "https://github.com/ankane/chartkick/blob/master/CHANGELOG.md",
        "https://rubygems.org/gems/chartkick/",
        "https://github.com/ankane/chartkick/commit/b810936bbf687bc74c5b6dba72d2397a399885fa",
        "https://github.com/ankane/chartkick/commits/master"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-18841",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382256,
  "published_at": "2019-11-11T01:15:10.353+00:00"
}