Docling Core vulnerable to Remote Code Execution via unsafe PyYAML usage

{
  "id": "b0420a59708e3e016fb59d815703c7e08662a3f20a21849e4739975973ef3c99",
  "url": "https://osv.dev/vulnerability/CVE-2026-24009",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Docling Core vulnerable to Remote Code Execution via unsafe PyYAML usage",
    "summary": "Docling Core (or docling-core) is a library that defines core data types and transformations in the document processing application Docling. A PyYAML-related Remote Code Execution (RCE) vulnerability, namely CVE-2020-14343, is exposed in docling-core starting in version 2.21.0 and prior to version 2.48.4, specifically only if the application uses pyyaml prior to version 5.4 and invokes `docling_core.types.doc.DoclingDocument.load_from_yaml()` passing it untrusted YAML data. The vulnerability has been patched in docling-core version 2.48.4. The fix mitigates the issue by switching `PyYAML` deserialization from `yaml.FullLoader` to `yaml.SafeLoader`, ensuring that untrusted data cannot trigger code execution. Users who cannot immediately upgrade docling-core can alternatively ensure that the installed version of PyYAML is 5.4 or greater.",
    "evidence": "osv:CVE-2026-24009",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-24009",
      "aliases": [
        "CVE-2026-24009",
        "GHSA-vqxf-v2gg-x3hc",
        "PYSEC-2026-1313"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/docling-project/docling-core",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b2c974696cf7b15037932b6d62724404823712f9"
                },
                {
                  "fixed": "c52605dded70787e647a100a30c85a05c4e989a9"
                },
                {
                  "fixed": "3e8d628eeeae50f0f8f239c8c7fea773d065d80c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:docling:docling-core:*:*:*:*:*:python:*:*",
                    "range": [
                      {
                        "introduced": "2.21.0"
                      },
                      {
                        "fixed": "2.48.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3e8d628eeeae50f0f8f239c8c7fea773d065d80c"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "c52605dded70787e647a100a30c85a05c4e989a9"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v2.48.4"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.48.3",
            "v2.48.2",
            "v2.48.1",
            "v2.48.0",
            "v2.47.0",
            "v2.46.0",
            "v2.45.0",
            "v2.44.2",
            "v2.44.1",
            "v2.44.0",
            "v2.43.1",
            "v2.43.0",
            "v2.42.0",
            "v2.41.0",
            "v2.40.0",
            "v2.39.0",
            "v2.38.2",
            "v2.38.1",
            "v2.38.0",
            "v2.37.0",
            "v2.36.0",
            "v2.35.0",
            "v2.34.2",
            "v2.34.1",
            "v2.34.0",
            "v2.33.1",
            "v2.33.0",
            "v2.32.0",
            "v2.31.2",
            "v2.31.1",
            "v2.31.0",
            "v2.30.1",
            "v2.30.0",
            "v2.29.0",
            "v2.28.1",
            "v2.28.0",
            "v2.27.0",
            "v2.26.4",
            "v2.26.3",
            "v2.26.2",
            "v2.26.1",
            "v2.26.0",
            "v2.25.0",
            "v2.24.1",
            "v2.24.0",
            "v2.23.3",
            "v2.23.2",
            "v2.23.1",
            "v2.23.0",
            "v2.22.0",
            "v2.21.2",
            "v2.21.1",
            "v2.21.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-24009.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:30.800480034Z",
      "provider": "osv",
      "references": [
        "https://github.com/docling-project/docling-core/releases/tag/v2.48.4",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24009.json",
        "https://github.com/advisories/GHSA-8q59-q68h-6hv4",
        "https://github.com/docling-project/docling-core/security/advisories/GHSA-vqxf-v2gg-x3hc",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-24009",
        "https://github.com/docling-project/docling-core/issues/482",
        "https://github.com/docling-project/docling-core/commit/3e8d628eeeae50f0f8f239c8c7fea773d065d80c"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-502"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/24xxx/CVE-2026-24009.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-24009",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 497537,
  "published_at": "2026-01-22T15:04:52.745+00:00"
}