High severity8.8NVD Advisory· Published Jul 28, 2026· Updated Aug 6, 2026
CVE-2026-54653
CVE-2026-54653
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 0.17.0 until 0.60.2, datamodel-code-generator preserves attacker-controlled default_factory values in src/datamodel_code_generator/parser/jsonschema.py through JsonSchemaObject.init and get_field_extras and emits them into Field(default_factory=...) or field(default_factory=...), allowing Python expression execution when the generated model is imported. This issue is fixed in version 0.60.2.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
datamodel-code-generatorPyPI | >= 0.17.0, < 0.60.2 | 0.60.2 |
Affected products
30.17.0 - 0.60.1+ 1 more
- (no CPE)range: 0.17.0 - 0.60.1
- cpe:2.3:a:koxudaxi:datamodel-code-generator:*:*:*:*:*:*:*:*range: >=0.17.0,<0.60.2
Patches
Vulnerability mechanics
References
5- github.com/koxudaxi/datamodel-code-generator/commit/17fc235e234cbcfaaadef8c74cb72c9687db0d1dnvdPatchWEB
- github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-386q-5hp3-95m9nvdExploitVendor AdvisoryWEB
- gist.github.com/thegr1ffyn/9648b0fe4fcf7d569ac8e61dd11eebafnvdThird Party Advisory
- github.com/advisories/GHSA-386q-5hp3-95m9ghsaADVISORY
- github.com/koxudaxi/datamodel-code-generator/releases/tag/0.60.2nvdRelease NotesWEB
News mentions
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