CVE-2026-55389
HIGHdatamodel-code-generator vulnerable to arbitrary local file read via JSON-Schema `$ref` (`file://` and `../` traversal), bypassing `--no-allow-remote-refs`
Title source: cnaDescription
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 src/datamodel_code_generator/parser/jsonschema.py through is_url and _get_ref_body without containing file:// or ../ traversal references to the input directory and without honoring --no-allow-remote-refs, allowing arbitrary local file reads. This issue is fixed in version 0.62.0.
References (3)
Core 3
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-8359-h9fx-j6v9
X_Refsource_Misc x_refsource_misc
https://github.com/koxudaxi/datamodel-code-generator/commit/2ff4a72b4550a2b2069754c5b075b1655067e5fb
X_Refsource_Misc x_refsource_misc
https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.62.0
Scores
CVSS v3
7.5
EPSS
0.0036
EPSS Percentile
28.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-200
CWE-22
CWE-610
Status
published
Products (2)
koxudaxi/datamodel-code-generator
< 0.62.0
pypi/datamodel-code-generator
0 - 0.62.0PyPI
Published
Jul 28, 2026
Tracked Since
Jul 29, 2026