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CVE-2026-54653

Koxudaxi Datamodel-code-generator code injection

8.8 HIGHPublic exploitEPSS 0.71%
  1. Published28 Jul 2026

Description

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 default_factory values in src/datamodel_code_generator/parser/jsonschema.py through JsonSchemaObject.init and get_field_extras and emits them into Field(default_factory=...) or field(default_factory=...), allowing Python expression execution when the generated model is imported. This issue is fixed in version 0.60.2.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Koxudaxi Datamodel-code-generator≥ 0.17.0 < 0.60.2

Remediation

Fixed in
Koxudaxi Datamodel-code-generator≥ 0.60.2

References

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Frequently asked

Is CVE-2026-54653 being actively exploited?

CVE-2026-54653 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.71%.

How severe is CVE-2026-54653?

CVE-2026-54653 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.71% probability of exploitation.

Which products are affected by CVE-2026-54653?

Affected products include Koxudaxi Datamodel-code-generator.

How do I fix CVE-2026-54653?

Upgrade affected software to a fixed version, for example Koxudaxi Datamodel-code-generator 0.60.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.