CVE-2026-113722 virtualenv - Command Injection

virtualenv < 21.14.9 contains a command injection caused by incompletely quoted interpreter paths in distlib ScriptMaker for POSIX console scripts, letting attackers execute commands with user privileges via crafted environment, exploit requires attacker control over environment destination.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
20 October 2026
Updated
21 October 2026
Weakness
CWE-78

Vendor fix

Upgrade to version 21.14.9 or later and regenerate affected launchers.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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