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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-54656

`datamodel-code-generator` vulnerable to code execution on import via unescaped `validators` entries in --extra-template-data

Description

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 0.52.1 until 0.60.2, datamodel-code-generator interpolates validators from --extra-template-data in src/datamodel_code_generator/model/pydantic_v2/base_model.py through _process_validators into @field_validator decorators without safe validation, allowing Python code execution when the generated Pydantic v2 model is imported. This issue is fixed in version 0.60.2.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

koxudaxi datamodel-code-generator

  • >= 0.52.1, < 0.60.2affected

References