PT-2026-65670

Summary datamodel-code-generator is vulnerable to code injection when a developer passes an --extra-template-data file whose comment value contains a literal r carriage return. The comment variable is rendered into a Python comment in six built-in templates with no line-terminator escaping...

PT-2026-65613

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions 0.9.1 through 0.60.1 Description The get body function in src/datamodel code generator/http.py fails to validate host or IP addresses when processing targets provided via the --url argument or through redirect...

PT-2026-65659

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...

PT-2026-65642

Summary A malicious input schema OpenAPI / JSON Schema can execute arbitrary Python code on the machine that imports the generated model. The x-python-import and customTypePath schema extensions flow, unsanitized, into the import statements datamodel-code-generator emits. A newline embedded in th...

PT-2026-65607

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions 0.59.0 through 0.61.0 Description When generating Python data models from an XML Schema using the --input-file-type xmlschema option, the software improperly resolves schemaLocation values within , , , and...

CVE-2026-55390: Improper Limitation of a Pathname to a Restricted Directory

datamodel-code-generator generates Python data models from schema definitions. From 0.59.0 until 0.62.0, XML Schema parsing in src/datamodelcodegenerator/parser/xmlschema.py for --input-file-type xmlschema resolves xs:include, xs:import, xs:redefine, and xs:override schemaLocation values outside...

PT-2026-65610

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions 0.51.0 through 0.60.1 Description Insufficient validation of x-python-type values in the get python type override function within src/datamodel code generator/parser/jsonschema.py allows attacker-controlled JS...

CVE-2026-54653: Improper Control of Generation of Code

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 defaultfactory values in...

PT-2026-65609

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions 0.17.0 through 0.60.1 Description Code injection is possible when generating Python models from attacker-controlled JSON Schema, OpenAPI, YAML, JSON, Avro, Protobuf, or XSD schemas. The issue occurs because th...

CVE-2026-55403: Exposure of Sensitive Information to an Unauthorized Actor

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.63.0, src/datamodelcodegenerator/http.py getbody reuses Authorization, Cookie, and Proxy-Authorization headers when following cross-origin redirects while fetching remote schemas, allowing credentials scoped...

CVE-2026-55415: Improper Control of Generation of Code

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...

PT-2026-65617

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions 0.11.6 through 0.63.0 Description A flaw in the handling of schema extensions allows for remote code execution on the machine that imports the generated model. When processing a malicious OpenAPI or JSON Schem...

PT-2026-65616

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions prior to 0.63.0 Description When fetching remote schemas, the software re-sends original request headers to redirect targets even if the redirect changes the origin host, port, or scheme. This occurs within th...

PT-2026-65611

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions 0.52.1 through 0.60.1 Description When using Pydantic v2 output mode, the software improperly handles data from the --extra-template-data file. Specifically, the process validators function in src/datamodel co...

CVE-2026-54656: Improper Control of Generation of Code

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...

CVE-2026-54654: Improper Control of Generation of Code

datamodel-code-generator generates Python data models from schema definitions. From 0.14.1 until 0.60.2, the --extra-template-data comment field is rendered into Python comments in src/datamodelcodegenerator/model/template/TypeAliasAnnotation.jinja2,...

PT-2026-65606

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions 0.14.1 through 0.60.1 Description Code injection is possible when the --extra-template-data file contains a comment value with a carriage return r. The software renders this comment variable into Python commen...

CVE-2026-55389: Improper Limitation of a Pathname to a Restricted Directory

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. Prior to 0.62.0, datamodel-code-generator resolves JSON Schema $ref targets in...

PT-2026-65608

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions 0.25.0 through 0.60.0 Description Code injection occurs when generating Python models from an attacker-controlled GraphQL schema. The issue stems from how GraphQL Union description values are rendered into...

CVE-2026-54621: Improper Control of Generation of Code

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...