CVE-2025-15282mediumCWE-93

CVE-2025-15282: medium-severity vulnerability in Python Software Foundation CPython

Header injection via newlines in data URL mediatype

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6epss 0.5%
User-controlled data URLs parsed by urllib.request.DataHandler allow injecting headers through newlines in the data URL mediatype.
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N
Affected products
Python Software Foundation · CPython
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