HIGH 7.8 NVD
CVE-2026-54621
datamodel-code-generator generates Python data models from schema definitions. Prior to 0.60.1, GraphQL Union description values in src/datamodel_code_generator
datamodel-code-generator generates Python data models from schema definitions. Prior to 0.60.1, GraphQL Union description values in src/datamodel_code_generator/model/template/UnionTypeStatement.jinja2 and src/datamodel_code_generator/model/template/UnionTypeStatement.py312.jinja2 are rendered into Python comments without neutralizing carriage returns in Python # comments, allowing attacker-controlled GraphQL schema content to inject Python code into generated models that runs when imported. This issue is fixed in version 0.60.1.
References
- https://github.com/koxudaxi/datamodel-code-generator/commit/aec47bc414779f4a9992b3919c8f76
- https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.60.1
- https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-j884-q54q-mm
This high severity vulnerability with a CVSS score of 7.8 was published on 2026-07-28 via NVD.
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