CVE-2026-35536

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CVSS 3.1

5.3 medium

EPSS

<1%p15

Published

Apr 3, 2026 (Apr 3, 2026)

Modified

Jul 24, 2026

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.

Vendors: tornadoweb
Products: tornado
Weakness: CWE-159
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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