CVE-2026-4786 Affecting python3.10 package, versions <3.10.12-1~22.04.16


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.29% (21st percentile)

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  • Snyk IDSNYK-UBUNTU2204-PYTHON310-16086757
  • published6 Jul 2026
  • disclosed13 Apr 2026

Introduced: 13 Apr 2026

CVE-2026-4786  (opens in a new tab)

How to fix?

Upgrade Ubuntu:22.04 python3.10 to version 3.10.12-1~22.04.16 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.10 package and not the python3.10 package as distributed by Ubuntu. See How to fix? for Ubuntu:22.04 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