CVE-2025-15282
Improper Neutralization of CRLF Sequences ('CRLF Injection') (CWE-93)
2026-01-20
cna@python.org
Lifecycle Timeline
3
Patch released
Mar 19, 2026 - 11:15 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 20, 2026 - 22:15 nvd
N/A
DescriptionCVE.org
User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.
Analysis
User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.
Technical ContextAI
User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.
Affected ProductsAI
User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.
RemediationAI
Monitor vendor advisories for a patch.
Same technique Code Injection
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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