CVE-2026-54621
HIGH`datamodel-code-generator` vulnerable to code injection via unescaped carriage return in GraphQL Union description
Title source: cnaDescription
datamodel-code-generator generates Python data models from schema definitions. Prior to 0.60.1, GraphQL Union description values in src/datamodel_code_generator/model/template/UnionTypeStatement.jinja2 and src/datamodel_code_generator/model/template/UnionTypeStatement.py312.jinja2 are rendered into Python comments without neutralizing carriage returns in Python # comments, allowing attacker-controlled GraphQL schema content to inject Python code into generated models that runs when imported. This issue is fixed in version 0.60.1.
References (3)
Core 3
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/koxudaxi/datamodel-code-generator/security/advisories/GHSA-j884-q54q-mmx3
X_Refsource_Misc x_refsource_misc
https://github.com/koxudaxi/datamodel-code-generator/commit/aec47bc414779f4a9992b3919c8f7663afd6c988
X_Refsource_Misc x_refsource_misc
https://github.com/koxudaxi/datamodel-code-generator/releases/tag/0.60.1
Scores
CVSS v3
7.8
EPSS
0.0014
EPSS Percentile
4.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-1336
CWE-94
Status
published
Products (2)
koxudaxi/datamodel-code-generator
>= 0.25.0, < 0.60.1
pypi/datamodel-code-generator
0.25.0 - 0.60.1PyPI
Published
Jul 28, 2026
Tracked Since
Jul 29, 2026