{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-113720", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-20T16:03:14.863Z", "datePublished": "2026-10-20T19:43:32.451Z", "dateUpdated": "2026-10-20T19:43:32.451Z"}, "containers": {"cna": {"title": "virtualenv: Seeded files retain permissions from an older cache", "problemTypes": [{"descriptions": [{"cweId": "CWE-732", "lang": "en", "description": "CWE-732: Incorrect Permission Assignment for Critical Resource", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/pypa/virtualenv/security/advisories/GHSA-fc2g-4w5p-6whm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/pypa/virtualenv/security/advisories/GHSA-fc2g-4w5p-6whm"}, {"name": "https://github.com/pypa/virtualenv/pull/3425", "tags": ["x_refsource_MISC"], "url": "https://github.com/pypa/virtualenv/pull/3425"}, {"name": "https://github.com/pypa/virtualenv/commit/35f0b33562790176dd186d0a3c517af3acc7a0e1", "tags": ["x_refsource_MISC"], "url": "https://github.com/pypa/virtualenv/commit/35f0b33562790176dd186d0a3c517af3acc7a0e1"}, {"name": "https://github.com/pypa/virtualenv/releases/tag/21.14.9", "tags": ["x_refsource_MISC"], "url": "https://github.com/pypa/virtualenv/releases/tag/21.14.9"}], "affected": [{"vendor": "pypa", "product": "virtualenv", "versions": [{"version": "< 21.14.9", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-20T19:43:32.451Z"}, "descriptions": [{"lang": "en", "value": "virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, the app-data copy seeder uses shutil.copy() to copy cached package files into later environments, causing cached source modes to override the current run's umask. A cache populated under a permissive umask can therefore produce files writable by another local account in a later traversable environment, allowing package code such as pip/__init__.py to be modified and executed by the environment owner. The attacker cannot force the earlier umask, and a private destination parent prevents access. This issue is fixed in version 21.14.9."}], "source": {"advisory": "GHSA-fc2g-4w5p-6whm", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "virtualenv", "vendor": "pypa", "versions": [{"status": "affected", "version": "< 21.14.9"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, the app-data copy seeder uses shutil.copy() to copy cached package files into later environments, causing cached source modes to override the current run's umask. A cache populated under a permissive umask can therefore produce files writable by another local account in a later traversable environment, allowing package code such as pip/__init__.py to be modified and executed by the environment owner. The attacker cannot force the earlier umask, and a private destination parent prevents access. This issue is fixed in version 21.14.9."}], "id": "CVE-2026-113720", "lastModified": "2026-10-20T20:17:18.493", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-20T20:17:18.493", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/pypa/virtualenv/commit/35f0b33562790176dd186d0a3c517af3acc7a0e1"}, {"source": "security-advisories@github.com", "url": "https://github.com/pypa/virtualenv/pull/3425"}, {"source": "security-advisories@github.com", "url": "https://github.com/pypa/virtualenv/releases/tag/21.14.9"}, {"source": "security-advisories@github.com", "url": "https://github.com/pypa/virtualenv/security/advisories/GHSA-fc2g-4w5p-6whm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,21.14.9)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "virtualenv", "source": "cna", "vendor": "pypa"}, "product": "virtualenv", "vendor": "pypa"}], "created": "2026-10-20T20:45:14.110931+00:00", "updated": "2026-10-20T21:00:18.197656+00:00", "vendors": ["pypa", "pypa$PRODUCT$virtualenv"]}