CVE-2026-55415

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...

CVE-2026-55415 datamodel-code-generator vulnerable to code injection via `x-python-import` / `customTypePath` in generated import statements

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...

CVE-2026-55415 datamodel-code-generator vulnerable to code injection via `x-python-import` / `customTypePath` in generated import statements

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...

CVE-2026-55415

CVE-2026-55415 affects datamodel-code-generator prior to 0.64.0. The issue arises from attacker-controlled x-python-import or customTypePath schema extensions that can reach Import.from_full_path/Imports.create_line in the code that handles imports, allowing a newline to break out of an import st...

CVE-2026-55415 datamodel-code-generator vulnerable to code injection via `x-python-import` / `customTypePath` in generated import statements

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...

EUVD-2026-50073

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...

GHSA-J884-Q54Q-MMX3 `datamodel-code-generator` vulnerable to code injection via unescaped carriage return in GraphQL Union description

Summary datamodel-code-generator is vulnerable to code injection when generating Python models from an attacker-controlled GraphQL schema. A description on a Union type, written in the regular-string form "..." with a literal \r escape, is rendered into a Python comment by a Jinja2 filter that...

`datamodel-code-generator` vulnerable to code injection via unescaped carriage return in GraphQL Union description

Summary datamodel-code-generator is vulnerable to code injection when generating Python models from an attacker-controlled GraphQL schema. A description on a Union type, written in the regular-string form "..." with a literal \r escape, is rendered into a Python comment by a Jinja2 filter that...

Improper Neutralization of Special Elements Used in a Template Engine

Overview datamodel-code-generator is a Datamodel Code Generator Affected versions of this package are vulnerable to Improper Neutralization of Special Elements Used in a Template Engine via the description field in GraphQL Union types when generating Python models. An attacker can execute arbitra...

CVE-2026-54621 `datamodel-code-generator` vulnerable to code injection via unescaped carriage return in GraphQL Union description

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.60.1, GraphQL Union description values in src/datamodelcodegenerator/model/template/UnionTypeStatement.jinja2 and src/datamodelcodegenerator/model/template/UnionTypeStatement.py312.jinja2 are rendered into...

CVE-2026-54621

datamodel-code-generator is affected: before version 0.60.1, GraphQL Union description values in UnionTypeStatement templates are rendered into Python comments without neutralizing carriage returns, enabling attacker-controlled GraphQL schema content to inject Python code that executes upon impor...

CVE-2026-54621 `datamodel-code-generator` vulnerable to code injection via unescaped carriage return in GraphQL Union description

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.60.1, GraphQL Union description values in src/datamodelcodegenerator/model/template/UnionTypeStatement.jinja2 and src/datamodelcodegenerator/model/template/UnionTypeStatement.py312.jinja2 are rendered into...

CVE-2026-54621 `datamodel-code-generator` vulnerable to code injection via unescaped carriage return in GraphQL Union description

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.60.1, GraphQL Union description values in src/datamodelcodegenerator/model/template/UnionTypeStatement.jinja2 and src/datamodelcodegenerator/model/template/UnionTypeStatement.py312.jinja2 are rendered into...

Arbitrary Code Injection

Overview datamodel-code-generator is a Datamodel Code Generator Affected versions of this package are vulnerable to Arbitrary Code Injection via the x-python-type extension in JSON Schema processing. An attacker can execute arbitrary code by supplying a crafted JSON Schema that injects malicious...

GHSA-M34R-V34R-RF9Q `datamodel-code-generator` vulnerable to code execution on import via `x-python-type` JSON-Schema extension in datamodel-code-generator

Summary datamodel-code-generator honours a custom x-python-type JSON-Schema extension that lets a schema author override the generated Python type for a field. The value is forwarded verbatim into the generated Python source as the field annotation, with a single sanitisation pass that is trivial...

CVE-2026-54655 `datamodel-code-generator` vulnerable to code execution on import via `x-python-type` JSON-Schema extension in datamodel-code-generator

datamodel-code-generator generates Python data models from schema definitions. From 0.51.0 until 0.60.2, x-python-type values parsed by src/datamodelcodegenerator/parser/jsonschema.py in getpythontypeoverride are inserted into generated field annotations without sufficient validation, allowing...

CVE-2026-54655

Summary: datamodel-code-generator (Python) is vulnerable from versions 0.51.0 through 0.60.2 where x-python-type values parsed by src/datamodel_code_generator/parser/jsonschema.py in _get_python_type_override are injected into generated field annotations without sufficient validation, allowing at...

CVE-2026-54655 `datamodel-code-generator` vulnerable to code execution on import via `x-python-type` JSON-Schema extension in datamodel-code-generator

datamodel-code-generator generates Python data models from schema definitions. From 0.51.0 until 0.60.2, x-python-type values parsed by src/datamodelcodegenerator/parser/jsonschema.py in getpythontypeoverride are inserted into generated field annotations without sufficient validation, allowing...

Exposure of Private Personal Information to an Unauthorized Actor

Overview datamodel-code-generator is a Datamodel Code Generator Affected versions of this package are vulnerable to Exposure of Private Personal Information to an Unauthorized Actor via the getbody function. An attacker can obtain sensitive authorization headers by causing a redirect to a differe...

GHSA-R5VV-FF45-PRP2 datamodel-code-generator: Authorization / request headers leaked to cross-origin redirect target when fetching remote schemas

Summary When datamodel-code-generator fetches a remote schema and follows an HTTP redirect, it re-sends the original request headers, including any Authorization header, to the redirect target even when the redirect changes origin host/port/scheme. Credentials that an operator scoped to a trusted...