Arbitrary Argument Injection Affecting python3-tools package, versions <0:3.7.16-1.amzn2.0.26


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.02% (7th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHON3TOOLS-16708549
  • published16 May 2026
  • disclosed13 Apr 2026

Introduced: 13 Apr 2026

CVE-2026-4786  (opens in a new tab)
CWE-88  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python3-tools to version 0:3.7.16-1.amzn2.0.26 or higher.
This issue was patched in ALAS2-2026-3281.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3-tools package and not the python3-tools package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Mitgation of CVE-2026-4519 was incomplete. If the URL contained "%action" the mitigation could be bypassed for certain browser types the "webbrowser.open()" API could have commands injected into the underlying shell. See CVE-2026-4519 for details.

CVSS Base Scores

version 3.1