CVE-2026-55391highCWE-350CWE-367CWE-918

CVE-2026-55391: fallo de gravedad alta en koxudaxi datamodel-code-generator

datamodel-code-generator vulnerable to SSRF protection bypass via DNS rebinding

Publicada el · Actualizada el

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41Vexday Risk Score

Sin señal de explotación. Ella tiene prueba de concepto pública.

ssvc Attendcvss 7.5epss 0.3%
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/datamodel_code_generator/http.py through get_body, _validate_url_for_fetch, and _get_ips_from_host, but then lets httpx resolve the host again for the connection, allowing DNS rebinding to bypass allow_private_network=False and reach internal services. This issue is fixed in version 0.63.0.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N
Productos afectados
koxudaxi · datamodel-code-generator
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