CVE-2026-54690: Server-Side Request Forgery (SSRF)

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 0.9.1 until 0.61.0, datamodel-code-generator silently dereferences attacker-controlled JSON Schema $ref HTTP or...

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...

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...

CVE-2026-55391: Reliance on Reverse DNS Resolution for a Security-Critical Action

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 0.63.0, datamodel-code-generator validates a URL host once in src/datamodelcodegenerator/http.py through...

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-2026-55403: 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-2026-55390: 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-2026-54655: Improper Control of Generation of Code

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...

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 customBasePath schema field. An attacker can execute arbitrary Python code by supplying a specially crafted value containing embedded newlines and a...

CVE-2026-63720

datamodel-code-generator prior to version 0.70.0 contains a code injection vulnerability that allows attackers who control input schemas to achieve remote code execution by supplying a malicious customBasePath value containing embedded newlines and a dot-free Python expression. The crafted value ...

EUVD-2026-49050

datamodel-code-generator prior to version 0.70.0 contains a code injection vulnerability that allows attackers who control input schemas to achieve remote code execution by supplying a malicious customBasePath value containing embedded newlines and a dot-free Python expression. The crafted value ...

CVE-2026-63720

datamodel-code-generator prior to version 0.70.0 contains a code injection vulnerability that allows attackers who control input schemas to achieve remote code execution by supplying a malicious customBasePath value containing embedded newlines and a dot-free Python expression. The crafted value ...

CVE-2026-63720 datamodel-code-generator Code Injection via Unvalidated customBasePath Schema Field

datamodel-code-generator prior to version 0.70.0 contains a code injection vulnerability that allows attackers who control input schemas to achieve remote code execution by supplying a malicious customBasePath value containing embedded newlines and a dot-free Python expression. The crafted value ...

CVE-2026-63720 datamodel-code-generator Code Injection via Unvalidated customBasePath Schema Field

datamodel-code-generator prior to version 0.70.0 contains a code injection vulnerability that allows attackers who control input schemas to achieve remote code execution by supplying a malicious customBasePath value containing embedded newlines and a dot-free Python expression. The crafted value ...

CVE-2026-63720 datamodel-code-generator Code Injection via Unvalidated customBasePath Schema Field

datamodel-code-generator prior to version 0.70.0 contains a code injection vulnerability that allows attackers who control input schemas to achieve remote code execution by supplying a malicious customBasePath value containing embedded newlines and a dot-free Python expression. The crafted value ...

CVE-2026-63720

CVE-2026-63720 affects datamodel-code-generator prior to version 0.70.0. The issue is a code injection vulnerability where attackers who control input schemas can supply a malicious customBasePath containing embedded newlines and a dot-free Python expression, which is emitted into a generated fro...

CVE-2026-63720: Improper Control of Generation of Code

datamodel-code-generator prior to version 0.70.0 contains a code injection vulnerability that allows attackers who control input schemas to achieve remote code execution by supplying a malicious customBasePath value containing embedded newlines and a dot-free Python expression. The crafted value ...

PT-2026-64795

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions prior to 0.70.0 Description A code injection flaw exists where attackers controlling input schemas can achieve remote code execution. By providing a malicious customBasePath value containing embedded newlines...

Arbitrary Code Injection

Overview datamodel-code-generator is a Datamodel Code Generator Affected versions of this package are vulnerable to Arbitrary Code Injection due to improper sanitization of filenames used in generated headers. An attacker can provide a maliciously crafted filename containing Python syntax or esca...