CVE-2026-35536
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.
CWE
- CWE-159 — CWE-159 Improper Handling of Invalid Use of Special Elements
Affected
- tornadoweb / Tornado — v=0 <6.5.5 [affected]
CVSS
- 3.1 score=7.2 severity=HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
References
- https://github.com/tornadoweb/tornado/security/advisories/GHSA-78cv-mqj4-43f7
- https://github.com/tornadoweb/tornado/releases/tag/v6.5.5
Source
cvelistV5-main/cves/2026/35xxx/CVE-2026-35536.json