CVE-2026-35536

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.

Scoring

Severity
HIGH
CVSS base score
7.2
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
EPSS probability
0.24%
CWE
CWE-159
Published
2026-04-03
Last modified
2026-04-03

Affected products

Weakness type

Related vulnerabilities

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