CVE-2026-55403
Low
Description
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.
SeverityLow
CVSS3.7
Exploit probability—
ProductDatamodel-code-generator
PublishedJul 28, 2026
First seenJul 28, 2026
How to fix
Update
- datamodel-code-generator0.63.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| datamodel-code-generatorPyPI | v < 0.63.0 | 0.63.0 |
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