CVE-2026-102925 virtualenv - Command Injection

virtualenv prior to 21.7.13 contains a command injection caused by improper quoting in activation scripts, letting attackers execute arbitrary code with user privileges when sourcing the script, exploit requires crafted environment paths.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.15% chance of exploitation in 30 days
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
29 September 2026
Updated
15 October 2026
Weakness
CWE-78

Vendor fix

Update to version 21.7.13 or later.

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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