VULNERABILITY INTELLIGENCE
CVE-2026-0672
EPSS probability0.48%
CISA KEVNot currently listed
Published2026-01-20
Last modified2026-06-17
Description
When using http.cookies.Morsel, user-controlled cookie values and parameters can allow injecting HTTP headers into messages. Patch rejects all control characters within cookie names, values, and parameters.
Weakness classification
- cna@python.org: CWE-93