python3.13-virtualenv: virtualenv is a tool for creating isolated virtual python environments
CVE-2026-113732 is fixed in 2 products on 1 platform, first by ALAS2023-2026-3409, released November 10, 2026. It is not reported as exploited. Patch Radar priority: High.
virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.2, FishActivator inherits ViaTemplateActivator.quote(), which uses POSIX shlex.quote() even though fish interprets backslashes and single quotes differently. An attacker-influenced environment path, --prompt, or VIRTUALENV_PROMPT value containing a backslash before a quote can therefore terminate the generated fish literal and execute command substitution when the user sources activate.fish. This issue is fixed in version 21.14.2.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| python3-virtualenv · amzn 2023 | 20.4.0-3.amzn2023.0.6 | ALAS2023-2026-3409 | Nov 10, 2026 |
| python3.13-virtualenv · amzn 2023 | 20.21.1-1.amzn2023.0.5 | ALAS2023-2026-3410 | Nov 10, 2026 |
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