{"id":"CVE-2026-55415","aliases":["GHSA-5578-w22f-pfx9","PYSEC-2026-3557"],"url":"https://o3.security/vulnerability/CVE-2026-55415","summary":"datamodel-code-generator vulnerable to code injection via `x-python-import` / `customTypePath` in generated import statements","details":"datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON, YAML, or CSV. From 0.11.6 until 0.64.0, datamodel-code-generator allows attacker-controlled x-python-import or customTypePath schema extensions to reach src/datamodel_code_generator/parser/jsonschema.py and generated import handling through Import.from_full_path and Imports.create_line in src/datamodel_code_generator/imports.py, allowing a newline to break out of an import statement and execute Python code when the generated model is imported. This issue is fixed in version 0.64.0.","published":"2026-07-28T21:37:55.642Z","modified":"2026-09-08T11:45:47.663206801Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":{"score":0.00413,"percentile":0.34763,"asOf":"2026-09-11"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"datamodel-code-generator","fixedVersion":"0.64.0"}],"fix":{"url":"https://github.com/koxudaxi/datamodel-code-generator/commit/577d49569c2254c371a97e495020ae2238a73b84","label":"koxudaxi/datamodel-code-generator@577d495"},"references":[{"type":"WEB","url":"https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.64.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55415.json"},{"type":"ADVISORY","url":"https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-5578-w22f-pfx9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55415"},{"type":"FIX","url":"https://github.com/koxudaxi/datamodel-code-generator/commit/577d49569c2254c371a97e495020ae2238a73b84"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-08T11:45:47.663206801Z"}}