Bug 2454716 (CVE-2026-35536) - CVE-2026-35536 tornado: Tornado: Cookie attribute injection due to improper handling of cookie arguments
Summary: CVE-2026-35536 tornado: Tornado: Cookie attribute injection due to improper h...
Keywords:
Status: NEW
Alias: CVE-2026-35536
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-03 04:01 UTC by OSIDB Bzimport
Modified: 2026-04-03 13:34 UTC (History)
19 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-04-03 04:01:14 UTC 
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.
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