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CVE-2025-15282
Published: Jan 20, 2026
Modified: Mar 3, 2026
PUBLISHED
Description
User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.
| Vendor | Product | Versions |
|---|---|---|
Python Software Foundation | CPython | affected 0 - < 3.10.20affected 3.11.0 - < 3.11.15affected 3.12.0 - < 3.12.13affected 3.13.0 - < 3.13.12affected 3.14.0 - < 3.14.3+1 more versions |
Weaknesses (CWE)
References
https://github.com/python/cpython/issues/143925
issue-tracking
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