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CVE-2026-55403

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

Description (CNA)

datamodel-code-generator generates Python data models from schema definitions. Prior to 0.63.0, src/datamodel_code_generator/http.py get_body reuses Authorization, Cookie, and Proxy-Authorization headers when following cross-origin redirects while fetching remote schemas, allowing credentials scoped to one schema host to be leaked to another redirect target. This issue is fixed in version 0.63.0.

Affected (CNA)

Vendor / productVersions
koxudaxi / datamodel-code-generatoraffected < 0.63.0

CWE

CWE-200, CWE-601

References

ADP enrichment

CISA-ADP

No English description supplied.