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/datamodel_code_generator/http.py get_body reuses Authorization, Cookie, and P…
Published: 2026-07-28 · CVSS: 3.7 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7