VDB
CISA-2026-0672
CISA-2026-0672
PUBLISHED
CVSS 6 MEDIUM
Reported by PSF · Published January 20, 2026
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.
Risk Scores
CVSS 4.0
6
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Python Software Foundation | CPython | 0, 3.11.0, 3.12.0 |
| Python Software Foundation | CPython | 0, 3.11.0, 3.12.0 |
Timeline
- Jan 20, 2026 CVE Published
- Mar 3, 2026 CVE Updated