CVE-2026-0672

Public on 2026-01-20
Modified on 2026-01-23
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.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
4.8
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core python Pending Fix
Amazon Linux 2 - Core python3 Pending Fix
Amazon Linux 2023 python3.11 Pending Fix
Amazon Linux 2023 python3.12 Pending Fix
Amazon Linux 2023 python3.13 Pending Fix
Amazon Linux 2023 python3.9 Pending Fix

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 4.8 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-0672 Mitre: CVE-2026-0672