Arbitrary Argument Injection Affecting python3.13-tornado-debuginfo package, versions <0:6.4.2-1.amzn2023.0.3


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.24% (15th percentile)

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  • Snyk IDSNYK-AMZN2023-PYTHON313TORNADODEBUGINFO-16348511
  • published3 May 2026
  • disclosed3 Apr 2026

Introduced: 3 Apr 2026

CVE-2026-35536  (opens in a new tab)
CWE-88  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 python3.13-tornado-debuginfo to version 0:6.4.2-1.amzn2023.0.3 or higher.
This issue was patched in ALAS2023-2026-1588.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.13-tornado-debuginfo package and not the python3.13-tornado-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

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 Base Scores

version 3.1