{"id":"CVE-2026-54654","summary":"`datamodel-code-generator` vulnerable to code injection via unescaped carriage return in `--extra-template-data` `comment` field","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.","aliases":["GHSA-wjv6-jcfj-mf9r","PYSEC-2026-3566"],"modified":"2026-09-08T11:45:45.976777783Z","published":"2026-07-28T21:22:52.070Z","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"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/datamodel-code-generator/datamodel-code-generator","events":[{"introduced":"c4e8f2c8680b5cdbfb8d718f98c3ca6978f4e6e5"},{"fixed":"e0ea4e45117acd41dcf6ae3a6639cc3f41b59045"}],"database_specific":{"extracted_events":[{"introduced":"0.14.1"},{"fixed":"0.60.2"}],"source":"AFFECTED_FIELD"}},{"type":"GIT","repo":"https://github.com/koxudaxi/datamodel-code-generator","events":[{"introduced":"0"},{"fixed":"b73abb5cd703a50471b8950bbd3bd0b82ad71de7"},{"fixed":"e0ea4e45117acd41dcf6ae3a6639cc3f41b59045"}],"database_specific":{"source":"REFERENCES"}}],"versions":["0.60.1","0.60.0","0.59.1","0.59.0","0.58.0","0.57.0","0.56.1","0.56.0","0.55.0","0.54.1","0.54.0","0.53.0","0.52.2","0.52.1","0.52.0","0.51.0","0.50.0","0.49.0","0.48.0","0.47.0","0.46.0","0.45.0","0.44.0","0.43.1","0.43.0","0.42.2","0.42.1","0.42.0","0.41.0","0.40.0","0.39.0","0.38.0","0.37.0","0.36.0","0.35.0","0.34.0","0.33.0","0.32.0","0.31.2","0.31.1","0.31.0","0.30.2","0.30.1","0.30.0","0.29.0","0.28.5","0.28.4","0.28.3","0.28.2","0.28.1","0.28.0","0.27.3","0.27.2","0.27.1","0.27.0","0.26.5","0.26.4","0.26.3","0.26.2","0.26.1","0.26.0","0.25.9","0.25.8","0.25.7","0.25.6","0.25.5","0.25.4","0.25.3","0.25.2","0.25.1","0.25.0","0.24.2","0.24.1","0.24.0","0.23.0","0.22.1","0.22.0","0.21.5","0.21.4","0.21.3","0.21.2","0.21.1","0.21.0","0.20.0","0.19.0","0.18.1","0.18.0","0.17.2","0.17.1","0.17.0","0.16.1","0.16.0","0.15.0","0.14.1","0.14.0","0.13.5","0.13.4","0.13.3","0.13.2","0.13.1","0.13.0","0.12.3","0.12.2","0.12.1","0.12.0","0.11.20","0.11.19","0.11.18","0.11.17","0.11.16","0.11.15","0.11.14","0.11.13","0.11.12","0.11.11","0.11.10","0.11.9","0.11.8","0.11.7","0.11.6","0.2.11","0.11.5","0.11.4","0.11.3","0.11.2","0.11.1","0.11.0","0.10.3","0.10.2","0.10.1","0.10.0","0.9.4","0.9.3","0.9.2","0.9.1","0.9.0","0.8.3","0.8.2","0.8.1","0.8.0","0.7.3","0.7.2","0.7.1","0.7.0","0.6.26","0.6.25","0.6.24","0.6.23","0.6.22","0.6.21","0.6.20","0.6.19","0.6.18","0.6.17","0.6.16","0.6.15","0.6.14","0.6.13","0.6.12","0.6.11","0.6.10","0.6.9","0.6.8","0.6.7","0.6.6","0.6.5","0.6.4","0.6.3","0.6.2","0.6.1","0.6.0","0.5.39","0.5.38","0.5.37","0.5.36","0.5.35","0.5.34","0.5.33","0.5.32","0.5.31","0.5.30","0.5.29","0.5.28","0.5.27","0.5.26","0.5.25","0.5.24","0.5.23","0.5.22","0.5.21","0.5.20","0.5.19","0.5.18","0.5.17","0.5.16","0.5.15","0.5.14","0.5.13","0.5.12","0.5.11","0.5.10","0.5.9","0.5.8","0.5.7","0.5.6","0.5.5","0.5.4","0.5.3","0.5.2","0.5.1","0.5.0","0.4.11","0.4.10","0.4.9","0.4.8","0.4.7","0.4.6","0.4.5","0.4.4","0.4.3","0.4.2","0.4.1","0.4.0","0.3.3","0.3.2","0.3.1","0.3.0","0.2.16","0.2.15","0.2.14","0.2.13","0.2.12","0.2.10","0.2.9","0.2.8","0.2.7","0.2.6","0.2.5","0.2.4","0.2.3","0.2.2","0.2.1","0.2.0","0.1.0","0.0.6","0.0.5","0.0.4","0.0.3","0.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-54654.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}