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Vulnerability DatabaseCVE-2026-3644

CVE-2026-3644: 
Python Interpreter vulnerability analysis and mitigation

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().

Source: NVD

Related Python Interpreter vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-6100CRITICAL9.1
  • Python InterpreterPython Interpreter
  • python39-devel:3.9::python-psutil
NoYesApr 13, 2026
CVE-2026-4786HIGH7
  • BabelBabel
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CVE-2026-3446MEDIUM6
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NoYesApr 10, 2026
CVE-2026-1502MEDIUM5.7
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  • python36:3.6::python-distro
NoYesApr 10, 2026
CVE-2026-5713MEDIUM5.3
  • BabelBabel
  • mod_wsgi
NoNoApr 14, 2026

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