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Python CVE-2026-22702

MEDIUM
Improper Link Resolution Before File Access (CWE-59)
2026-01-10 security-advisories@github.com GHSA-597g-3phw-6986
Python Race Condition Virtualenv Red Hat Suse
4.5
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
4.5 MEDIUM
AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
SUSE
MEDIUM
qualitative
Red Hat
4.5 MEDIUM
qualitative

Primary rating from GitHub Advisory.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch released
Feb 18, 2026 - 17:43 nvd
Patch available
CVE Published
Jan 10, 2026 - 07:16 nvd
MEDIUM 4.5

Blast Radius

ecosystem impact
† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth
  • 11 pypi packages depend on virtualenv (10 direct, 1 indirect)

Ecosystem-wide dependent count for version 20.36.1.

DescriptionGitHub Advisory

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.

AnalysisAI

Virtualenv versions up to 20.36.1 is affected by improper link resolution before file access (CVSS 4.5).

Technical ContextAI

This vulnerability (CWE-59: Improper Link Resolution Before File Access) affects Virtualenv. 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.

RemediationAI

A vendor patch is available — apply it immediately. Fixed in version 20.36.1..

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Vendor StatusVendor

SUSE

Severity: Medium
Product Status
Container suse/multi-linux-manager/5.1/x86_64/server:5.1.2.8.13.2 Image server-image Affected
Container suse/sl-micro/6.0/baremetal-os-container:2.1.3-4.37 Affected
SUSE Linux Enterprise Desktop 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP7 SUSE Linux Enterprise Module for Python 3 15 SP7 SUSE Linux Enterprise Server 15 SP7 SUSE Linux Enterprise Server for SAP Applications 15 SP7 Fixed
SUSE Linux Enterprise Server 16.0 SUSE Linux Enterprise Server for SAP applications 16.0 Fixed
openSUSE Leap 15.6 Fixed

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CVE-2026-22702 vulnerability details – vuln.today
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