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Affected Component
Analysis
python3
Exploitable
Name
CVE-2026-3644
Description
The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update(), |= operator, and unpickling paths were not patched, allowing control characters to bypass input validation. Additionally, BaseCookie.js_output() lacked the output validation applied to BaseCookie.output().
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://github.com/python/cpython/issues/145599Issue Tracking
Analysis#
Vulnerability Ratings#
6
CVSSv4
7.5
CVSSv31
NaN
other