high7.8
CVE-2026-54621
`datamodel-code-generator` vulnerable to code injection via unescaped carriage return in GraphQL Union description
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | datamodel-code-generator | >= 0.25.0, < 0.60.1 | 0.60.1 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-j884-q54q-mmx3
- https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-j884-q54q-mmx3
- https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.60.1
- https://github.com/koxudaxi/datamodel-code-generator/commit/aec47bc414779f4a9992b3919c8f7663afd6c988