CVE-2026-35536

Public on 2026-04-03
Modified on 2026-04-03
Description
In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.set_cookie were not checked for crafted characters.
Severity
Medium severity
Medium
See what this means
CVSS v3 Base Score
5.4
See breakdown

Affected Packages

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

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-35536 Mitre: CVE-2026-35536