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CVE-2026-22702
Good to know:
Date: January 10, 2026
virtualenv is a tool for creating isolated virtual python environments. Prior to version 20.36.1, TOCTOU (Time-of-Check-Time-of-Use) vulnerabilities in virtualenv allow local attackers to perform symlink-based attacks on directory creation operations. An attacker with local access can exploit a race condition between directory existence checks and creation to redirect virtualenv's app_data and lock file operations to attacker-controlled locations. This issue has been patched in version 20.36.1.
Severity Score
Related Resources (6)
Severity Score
Weakness Type (CWE)
Top Fix
Upgrade Version
Upgrade to version virtualenv - 20.36.1;virtualenv - 20.36.1;virtualenv - 20.36.1;https://github.com/pypa/virtualenv.git - 20.36.1
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | LOCAL |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | LOW |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | LOW |
| Availability (A): | LOW |