{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0.14.1"
              },
              {
                "fixed": "0.60.2"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "c4e8f2c8680b5cdbfb8d718f98c3ca6978f4e6e5"
            },
            {
              "fixed": "e0ea4e45117acd41dcf6ae3a6639cc3f41b59045"
            }
          ],
          "repo": "https://github.com/datamodel-code-generator/datamodel-code-generator",
          "type": "GIT"
        },
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "b73abb5cd703a50471b8950bbd3bd0b82ad71de7"
            },
            {
              "fixed": "e0ea4e45117acd41dcf6ae3a6639cc3f41b59045"
            }
          ],
          "repo": "https://github.com/koxudaxi/datamodel-code-generator",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-wjv6-jcfj-mf9r"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-1336",
      "CWE-94"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54654.json"
  },
  "details": "datamodel-code-generator generates Python data models from schema definitions. From 0.14.1 until 0.60.2, the --extra-template-data comment field is rendered into Python comments in src/datamodel_code_generator/model/template/TypeAliasAnnotation.jinja2, src/datamodel_code_generator/model/template/TypedDict.jinja2, src/datamodel_code_generator/model/template/dataclass.jinja2, src/datamodel_code_generator/model/template/msgspec.Struct.jinja2, src/datamodel_code_generator/model/template/pydantic/BaseModel.jinja2, and src/datamodel_code_generator/model/template/pydantic_v2/BaseModel.jinja2 without neutralizing carriage returns in Python # comments, allowing an attacker-controlled comment value to inject Python code into generated models that runs when imported. This issue is fixed in version 0.60.2.",
  "id": "CVE-2026-54654",
  "modified": "2026-09-08T11:30:46.361620398Z",
  "published": "2026-07-28T21:22:52.070Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.60.2"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54654.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-wjv6-jcfj-mf9r"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-54654"
    },
    {
      "type": "FIX",
      "url": "https://github.com/koxudaxi/datamodel-code-generator/commit/b73abb5cd703a50471b8950bbd3bd0b82ad71de7"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "`datamodel-code-generator` vulnerable to code injection via unescaped carriage return in `--extra-template-data` `comment` field"
}