VulnerableCode Package Details - pkg:deb/debian/python-virtualenv@20.31.2%2Bds-1

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Vulnerability	Summary	Fixed by
VCID-5gxd-gbyg-ebg7 Aliases: CVE-2026-22702 GHSA-597g-3phw-6986	virtualenv Has TOCTOU Vulnerabilities in Directory Creation ## Impact 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. Affected versions: All versions up to and including 20.36.1 Affected users: Any user running `virtualenv` on multi-user systems where untrusted local users have filesystem access to shared temporary directories or where `VIRTUALENV_OVERRIDE_APP_DATA` points to a user-writable location. Attack scenarios: - Cache poisoning: Attacker corrupts wheels or Python metadata in the cache - Information disclosure: Attacker reads sensitive cached data or metadata - Lock bypass: Attacker controls lock file semantics to cause concurrent access violations - Denial of service: Lock starvation preventing virtualenv operations ## Patches The vulnerability has been patched by replacing check-then-act patterns with atomic `os.makedirs(..., exist_ok=True)` operations. Fixed in: PR #3013 Versions with the fix: 20.36.2 and later Users should upgrade to version 20.36.2 or later. ## Workarounds If you cannot upgrade immediately: 1. Ensure `VIRTUALENV_OVERRIDE_APP_DATA` points to a directory owned by the current user with restricted permissions (mode 0700) 2. Avoid running `virtualenv` in shared temporary directories where other users have write access 3. Use separate user accounts for different projects to isolate app_data directories ## References - GitHub PR: https://github.com/pypa/virtualenv/pull/3013 - Vulnerability reported by: @tsigouris007 - CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization (TOCTOU) - CWE-59: Improper Link Resolution Before File Access	21.2.0+ds-1 Affected by 0 other vulnerabilities.

Vulnerability

Summary

Fixed by

VCID-5gxd-gbyg-ebg7
Aliases:
CVE-2026-22702
GHSA-597g-3phw-6986

virtualenv Has TOCTOU Vulnerabilities in Directory Creation ## Impact 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. **Affected versions:** All versions up to and including 20.36.1 **Affected users:** Any user running `virtualenv` on multi-user systems where untrusted local users have filesystem access to shared temporary directories or where `VIRTUALENV_OVERRIDE_APP_DATA` points to a user-writable location. **Attack scenarios:** - Cache poisoning: Attacker corrupts wheels or Python metadata in the cache - Information disclosure: Attacker reads sensitive cached data or metadata - Lock bypass: Attacker controls lock file semantics to cause concurrent access violations - Denial of service: Lock starvation preventing virtualenv operations ## Patches The vulnerability has been patched by replacing check-then-act patterns with atomic `os.makedirs(..., exist_ok=True)` operations. **Fixed in:** PR #3013 **Versions with the fix:** 20.36.2 and later Users should upgrade to version 20.36.2 or later. ## Workarounds If you cannot upgrade immediately: 1. Ensure `VIRTUALENV_OVERRIDE_APP_DATA` points to a directory owned by the current user with restricted permissions (mode 0700) 2. Avoid running `virtualenv` in shared temporary directories where other users have write access 3. Use separate user accounts for different projects to isolate app_data directories ## References - GitHub PR: https://github.com/pypa/virtualenv/pull/3013 - Vulnerability reported by: @tsigouris007 - CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization (TOCTOU) - CWE-59: Improper Link Resolution Before File Access

21.2.0+ds-1
Affected by 0 other vulnerabilities.

Vulnerability	Summary	Aliases
VCID-yjph-enuc-wkc7	virtualenv before 20.26.6 allows command injection through the activation scripts for a virtual environment. Magic template strings are not quoted correctly when replacing. NOTE: this is not the same as CVE-2024-9287.	BIT-virtualenv-2024-53899 CVE-2024-53899 GHSA-rqc4-2hc7-8c8v PYSEC-2024-187

Vulnerability

Summary

Aliases

VCID-yjph-enuc-wkc7

virtualenv before 20.26.6 allows command injection through the activation scripts for a virtual environment. Magic template strings are not quoted correctly when replacing. NOTE: this is not the same as CVE-2024-9287.

BIT-virtualenv-2024-53899
CVE-2024-53899
GHSA-rqc4-2hc7-8c8v
PYSEC-2024-187

Date	Actor	Action	Vulnerability	Source	VulnerableCode Version
2026-04-16T12:22:32.371759+00:00	Debian Importer	Affected by	VCID-5gxd-gbyg-ebg7	https://security-tracker.debian.org/tracker/data/json	38.4.0
2026-04-16T11:14:07.343811+00:00	Debian Importer	Fixing	VCID-yjph-enuc-wkc7	https://security-tracker.debian.org/tracker/data/json	38.4.0
2026-04-13T08:28:01.203613+00:00	Debian Importer	Affected by	VCID-5gxd-gbyg-ebg7	https://security-tracker.debian.org/tracker/data/json	38.3.0
2026-04-13T07:38:23.385787+00:00	Debian Importer	Fixing	VCID-yjph-enuc-wkc7	https://security-tracker.debian.org/tracker/data/json	38.3.0
2026-04-08T19:38:25.115916+00:00	Debian Importer	Affected by	VCID-5gxd-gbyg-ebg7	https://security-tracker.debian.org/tracker/data/json	38.1.0
2026-04-08T19:04:36.538267+00:00	Debian Importer	Fixing	VCID-yjph-enuc-wkc7	https://security-tracker.debian.org/tracker/data/json	38.1.0