CVE-2026-54621

datamodel-code-generator is affected: before version 0.60.1, GraphQL Union description values in UnionTypeStatement templates are rendered into Python comments without neutralizing carriage returns, enabling attacker-controlled GraphQL schema content to inject Python code that executes upon impor...

CVE-2026-54621 `datamodel-code-generator` vulnerable to code injection via unescaped carriage return in GraphQL Union description

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.60.1, GraphQL Union description values in src/datamodelcodegenerator/model/template/UnionTypeStatement.jinja2 and src/datamodelcodegenerator/model/template/UnionTypeStatement.py312.jinja2 are rendered into...

Arbitrary Code Injection

Overview datamodel-code-generator is a Datamodel Code Generator Affected versions of this package are vulnerable to Arbitrary Code Injection via the x-python-type extension in JSON Schema processing. An attacker can execute arbitrary code by supplying a crafted JSON Schema that injects malicious...

GHSA-M34R-V34R-RF9Q `datamodel-code-generator` vulnerable to code execution on import via `x-python-type` JSON-Schema extension in datamodel-code-generator

Summary datamodel-code-generator honours a custom x-python-type JSON-Schema extension that lets a schema author override the generated Python type for a field. The value is forwarded verbatim into the generated Python source as the field annotation, with a single sanitisation pass that is trivial...

CVE-2026-54655 `datamodel-code-generator` vulnerable to code execution on import via `x-python-type` JSON-Schema extension in datamodel-code-generator

datamodel-code-generator generates Python data models from schema definitions. From 0.51.0 until 0.60.2, x-python-type values parsed by src/datamodelcodegenerator/parser/jsonschema.py in getpythontypeoverride are inserted into generated field annotations without sufficient validation, allowing...

CVE-2026-54655

Summary: datamodel-code-generator (Python) is vulnerable from versions 0.51.0 through 0.60.2 where x-python-type values parsed by src/datamodel_code_generator/parser/jsonschema.py in _get_python_type_override are injected into generated field annotations without sufficient validation, allowing at...

CVE-2026-54655 `datamodel-code-generator` vulnerable to code execution on import via `x-python-type` JSON-Schema extension in datamodel-code-generator

datamodel-code-generator generates Python data models from schema definitions. From 0.51.0 until 0.60.2, x-python-type values parsed by src/datamodelcodegenerator/parser/jsonschema.py in getpythontypeoverride are inserted into generated field annotations without sufficient validation, allowing...

Exposure of Private Personal Information to an Unauthorized Actor

Overview datamodel-code-generator is a Datamodel Code Generator Affected versions of this package are vulnerable to Exposure of Private Personal Information to an Unauthorized Actor via the getbody function. An attacker can obtain sensitive authorization headers by causing a redirect to a differe...

GHSA-R5VV-FF45-PRP2 datamodel-code-generator: Authorization / request headers leaked to cross-origin redirect target when fetching remote schemas

Summary When datamodel-code-generator fetches a remote schema and follows an HTTP redirect, it re-sends the original request headers, including any Authorization header, to the redirect target even when the redirect changes origin host/port/scheme. Credentials that an operator scoped to a trusted...

CVE-2026-55403

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.63.0, src/datamodelcodegenerator/http.py getbody reuses Authorization, Cookie, and Proxy-Authorization headers when following cross-origin redirects while fetching remote schemas, allowing credentials scoped...

CVE-2026-55403 datamodel-code-generator: Authorization / request headers leaked to cross-origin redirect target when fetching remote schemas

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.63.0, src/datamodelcodegenerator/http.py getbody reuses Authorization, Cookie, and Proxy-Authorization headers when following cross-origin redirects while fetching remote schemas, allowing credentials scoped...

CVE-2026-55403 datamodel-code-generator: Authorization / request headers leaked to cross-origin redirect target when fetching remote schemas

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.63.0, src/datamodelcodegenerator/http.py getbody reuses Authorization, Cookie, and Proxy-Authorization headers when following cross-origin redirects while fetching remote schemas, allowing credentials scoped...

CVE-2026-55403

CVE-2026-55403 affects the Python package datamodel-code-generator. In versions prior to 0.63.0, the code path in src/datamodel_code_generator/http.py:get_body reuses Authorization, Cookie, and Proxy-Authorization headers when following cross-origin redirects to fetch remote schemas. This can lea...

Server-side Request Forgery (SSRF)

Overview datamodel-code-generator is a Datamodel Code Generator Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the getbody function when processing URLs provided via the --url argument, as there is no validation of host or IP addresses and redirects are...

datamodel-code-generator vulnerable to SSRF via --url: no host/IP validation, follows redirects

Summary datamodel-code-generator's built-in HTTP fetcher http.getbody issues an httpx.GET against any URL passed to --url or reached via a redirect chain with no allow-list, no deny-list, no IP/host validation, and followredirects=True. Loopback addresses, RFC1918 ranges, link-local 169.254.169.2...

GHSA-RFR2-MQ9M-X2QX datamodel-code-generator vulnerable to SSRF via --url: no host/IP validation, follows redirects

Summary datamodel-code-generator's built-in HTTP fetcher http.getbody issues an httpx.GET against any URL passed to --url or reached via a redirect chain with no allow-list, no deny-list, no IP/host validation, and followredirects=True. Loopback addresses, RFC1918 ranges, link-local 169.254.169.2...

CVE-2026-54691 datamodel-code-generator vulnerable to SSRF via --url: no host/IP validation, follows redirects

datamodel-code-generator generates Python data models from schema definitions. From 0.9.1 until 0.61.0, src/datamodelcodegenerator/http.py http.getbody accepts --url targets and redirect chain targets without host/IP validation, allowing server-side request forgery against loopback, private,...

CVE-2026-54691

CVE-2026-54691 affects datamodel-code-generator prior to 0.61.0; the http.get_body function in src/datamodel_code_generator/http.py accepts --url targets and redirect chains without host/IP validation, enabling server-side request forgery to loopback, private, link-local, metadata, and other netw...

CVE-2026-54691 datamodel-code-generator vulnerable to SSRF via --url: no host/IP validation, follows redirects

datamodel-code-generator generates Python data models from schema definitions. From 0.9.1 until 0.61.0, src/datamodelcodegenerator/http.py http.getbody accepts --url targets and redirect chain targets without host/IP validation, allowing server-side request forgery against loopback, private,...

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...