Security advisory

{
  "id": "8bb2700b985759939e19ddcb7b56b0fe019e6c609d78ca263d9054eb00d00ea2",
  "url": "https://osv.dev/vulnerability/CVE-2023-47204",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-47204",
    "summary": "Unsafe YAML deserialization in yaml.Loader in transmute-core before 1.13.5 allows attackers to execute arbitrary Python code.",
    "evidence": "osv:CVE-2023-47204",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2023-47204",
      "aliases": [
        "CVE-2023-47204",
        "GHSA-w9cp-3x79-2p8p",
        "PYSEC-2023-223"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/toumorokoshi/transmute-core",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b368618da1909c4e9e58c53a71319effb2a2cc0d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.13.5"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b368618da1909c4e9e58c53a71319effb2a2cc0d"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.13.5"
                  },
                  {
                    "cpe": "cpe:2.3:a:toumorokoshi:transmute-core:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.13.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.13.4",
            "v1.13.1",
            "v1.13.0",
            "v1.12.0",
            "v1.11.0",
            "v1.10.2",
            "v1.10.1",
            "v1.9.4",
            "v1.9.3",
            "v1.9.2",
            "v1.9.1",
            "v1.9.0",
            "v1.8.1",
            "v1.8.0",
            "v1.7.0",
            "v1.7.1",
            "v1.6.0",
            "v1.5.0",
            "v1.4.6",
            "1.4.6",
            "v1.4.5",
            "v1.4.4",
            "v1.4.3",
            "v1.4.2",
            "v1.4.1",
            "v1.4.0",
            "v1.3.2",
            "v1.3.1",
            "v1.3.0",
            "v1.2.0",
            "v1.1.1",
            "v1.1.0",
            "v1.0.1",
            "v1.0.0",
            "v0.6.0",
            "v0.4.12",
            "v0.4.11",
            "v0.5.0",
            "v0.4.10",
            "v0.4.9",
            "v0.4.8",
            "v0.4.7",
            "v0.4.6",
            "v0.4.5",
            "v0.4.4",
            "v0.4.3",
            "v0.4.2",
            "v0.4.1",
            "v0.4.0",
            "v0.3.1",
            "v0.3.0",
            "v0.2.9",
            "v0.2.12",
            "v0.2.8",
            "v0.2.7",
            "v0.2.6",
            "v0.2.5",
            "v0.2.4",
            "v0.2.0",
            "v0.1.3",
            "v0.0.9",
            "v0.0.7",
            "v0.0.6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-47204.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:21.849381519Z",
      "provider": "osv",
      "references": [
        "https://github.com/toumorokoshi/transmute-core/releases/tag/v1.13.5",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47204.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-47204",
        "https://github.com/toumorokoshi/transmute-core/pull/58"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47204.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-47204",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 488114,
  "published_at": "2023-11-02T00:00:00+00:00"
}