CVE-2026-35536
7.2CVSSHIGH
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.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:LConfidentialityLow
I:LIntegrityLow
A:NAvailabilityNone
Weaknesses
Affected Products
and 6 more affected products View all →
Exploitability
Official Patch Available
References
https://github.com/tornadoweb/tornado/releases/tag/v6.5.5
github.com
https://github.com/tornadoweb/tornado
github.com
https://github.com/tornadoweb/tornado/security/advisories/GHSA-78cv-mqj4-43f7
github.com
and 4 more references View all →
Timeline
Published
Apr 3, 2026
Last Updated
Apr 10, 2026
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