{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-22702", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-08T19:23:09.857Z", "datePublished": "2026-01-10T06:05:53.281Z", "dateUpdated": "2026-01-12T16:44:12.734Z" }, "containers": { "cna": { "title": "virtualenv Has TOCTOU Vulnerabilities in Directory Creation", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-59", "lang": "en", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-362", "lang": "en", "description": "CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')", "type": "CWE" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1" } } ], "references": [ { "name": "https://github.com/pypa/virtualenv/security/advisories/GHSA-597g-3phw-6986", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/pypa/virtualenv/security/advisories/GHSA-597g-3phw-6986" }, { "name": "https://github.com/pypa/virtualenv/pull/3013", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/pypa/virtualenv/pull/3013" }, { "name": "https://github.com/pypa/virtualenv/commit/dec4cec5d16edaf83a00a658f32d1e032661cebc", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/pypa/virtualenv/commit/dec4cec5d16edaf83a00a658f32d1e032661cebc" } ], "affected": [ { "vendor": "pypa", "product": "virtualenv", "versions": [ { "version": "< 20.36.1", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-10T06:05:53.281Z" }, "descriptions": [ { "lang": "en", "value": "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." } ], "source": { "advisory": "GHSA-597g-3phw-6986", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-12T16:44:05.659101Z", "id": "CVE-2026-22702", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-12T16:44:12.734Z" } } ] } }