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    CVE-2026-54656

    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.

    Published:Jul 28, 2026
    Last Modified:Jul 29, 2026
    EPS:Jul 28, 2026
    EPSS Score:0.0015
    CVSS Score:7.8

    Affected Products

    Vendor
    Koxudaxi
    Product
    Datamodel-code-generator

    Exploits

    https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-8m8r-38jm-f355https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-8m8r-38jm-f355

    Related CVEs

    CVE-2026-55389 (CVSS 7.5) — datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI…
    CVE-2026-54653 (CVSS 8.8) — datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI…
    CVE-2026-55391 (CVSS 7.5) — datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI…
    CVE-2026-54690 (CVSS 8.2) — datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI…
    CVE-2026-55415 (CVSS 7.5) — datamodel-code-generator generates Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI…
    CVE-2026-54621 (CVSS 7.8) — datamodel-code-generator generates Python data models from schema definitions. Prior to 0.60.1, GraphQL Union …
    CVE-2026-54655 (CVSS 7.8) — datamodel-code-generator generates Python data models from schema definitions. From 0.51.0 until 0.60.2, x-pyt…
    CVE-2026-55403 (CVSS 3.7) — datamodel-code-generator generates Python data models from schema definitions. Prior to 0.63.0, src/datamodel_…
    CVE-2026-54691 (CVSS 8.2) — datamodel-code-generator generates Python data models from schema definitions. From 0.9.1 until 0.61.0, src/da…
    CVE-2026-55390 (CVSS 7.5) — datamodel-code-generator generates Python data models from schema definitions. From 0.59.0 until 0.62.0, XML S…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High