CVE-2026-35536highCWE-159

CVE-2026-35536: high-severity vulnerability in tornadoweb Tornado

Published

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.2epss 0.2%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Affected products
tornadoweb · Tornado
Related CVEs — tornadoweb Tornado

In the same product, most dangerous first.