PYSEC-2026-3556 datamodel-code-generator vulnerable to arbitrary local file read via XSD `schemaLocation` (`xs:include`/`xs:import`) path traversal, with no remote-ref gate

Summary When generating models from an XML Schema --input-file-type xmlschema, datamodel-code-generator resolves , , , and schemaLocation attributes against the source directory and reads the target with no restriction to the input/base directory. An attacker who controls the input XSD can read...

Path Traversal

datamodel-code-generator is vulnerable to Path Traversal. The vulnerability is due to improper validation of schemaLocation values in XML Schema parsing xs:include, xs:import, xs:redefine, and xs:override, which allows an attacker to reference files outside the intended input base path, resulting...

CVE-2026-55390

datamodel-code-generator generates Python data models from schema definitions. From 0.59.0 until 0.62.0, XML Schema parsing in src/datamodelcodegenerator/parser/xmlschema.py for --input-file-type xmlschema resolves xs:include, xs:import, xs:redefine, and xs:override schemaLocation values outside...

Directory Traversal

Overview datamodel-code-generator is a Datamodel Code Generator Affected versions of this package are vulnerable to Directory Traversal via the schemaLocation attribute in XSD processing. An attacker can access arbitrary files on the local filesystem by supplying a crafted XML Schema file that us...

EUVD-2026-50068

datamodel-code-generator generates Python data models from schema definitions. From 0.59.0 until 0.62.0, XML Schema parsing in src/datamodelcodegenerator/parser/xmlschema.py for --input-file-type xmlschema resolves xs:include, xs:import, xs:redefine, and xs:override schemaLocation values outside...

CVE-2026-55390

The CVE affects datamodel-code-generator where XML Schema parsing (src/datamodel_code_generator/parser/xmlschema.py) for --input-file-type xmlschema resolves xs:include, xs:import, xs:redefine, and xs:override schemaLocation values outside the input base path, allowing arbitrary local files to be...

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