CVE-2026-55403: datamodel-code-generator: Authorization / request headers leaked to cross-origin redirect target when fetching remote schemas
koxudaxi · datamodel-code-generator
Affected: koxudaxi datamodel-code-generator · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 27% of scored CVEs
DescriptionCVE.org
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 products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- koxudaxi · datamodel-code-generator< 0.63.0
On the Atlas
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CoverageNo articles yet
No CyberSIXT article names CVE-2026-55403 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.