CVE-2026-35536
Published:April 03, 2026
Updated:May 13, 2026
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.
Affected Packages
tornado (CONDA):
Affected version(s) >=2.3 <6.5.5Fix Suggestion:
Update to version 6.5.5tornado (PYTHON):
Affected version(s) >=0.2 <6.5.5Fix Suggestion:
Update to version 6.5.5tornado (PYTHON):
Affected version(s) >=0.2 <6.5.5Fix Suggestion:
Update to version 6.5.5Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
LOW
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Handling of Invalid Use of Special Elements
EPSS
Base Score:
0.06