{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-113732", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-20T16:03:14.864Z", "datePublished": "2026-10-20T22:01:23.931Z", "dateUpdated": "2026-10-20T22:01:23.931Z"}, "containers": {"cna": {"title": "virtualenv activate.fish runs commands from a path or prompt with a backslash before a quote", "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-116", "lang": "en", "description": "CWE-116: Improper Encoding or Escaping of Output", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/pypa/virtualenv/security/advisories/GHSA-c947-3pg5-gm8q", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/pypa/virtualenv/security/advisories/GHSA-c947-3pg5-gm8q"}, {"name": "https://github.com/pypa/virtualenv/commit/3bddeaf8d02c3ee7f576503efb082f8f494cfcab", "tags": ["x_refsource_MISC"], "url": "https://github.com/pypa/virtualenv/commit/3bddeaf8d02c3ee7f576503efb082f8f494cfcab"}, {"name": "https://github.com/pypa/virtualenv/releases/tag/21.14.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/pypa/virtualenv/releases/tag/21.14.2"}], "affected": [{"vendor": "pypa", "product": "virtualenv", "versions": [{"version": "< 21.14.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-20T22:01:23.931Z"}, "descriptions": [{"lang": "en", "value": "virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.2, FishActivator inherits ViaTemplateActivator.quote(), which uses POSIX shlex.quote() even though fish interprets backslashes and single quotes differently. An attacker-influenced environment path, --prompt, or VIRTUALENV_PROMPT value containing a backslash before a quote can therefore terminate the generated fish literal and execute command substitution when the user sources activate.fish. This issue is fixed in version 21.14.2."}], "source": {"advisory": "GHSA-c947-3pg5-gm8q", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "virtualenv", "vendor": "pypa", "versions": [{"status": "affected", "version": "< 21.14.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.2, FishActivator inherits ViaTemplateActivator.quote(), which uses POSIX shlex.quote() even though fish interprets backslashes and single quotes differently. An attacker-influenced environment path, --prompt, or VIRTUALENV_PROMPT value containing a backslash before a quote can therefore terminate the generated fish literal and execute command substitution when the user sources activate.fish. This issue is fixed in version 21.14.2."}], "id": "CVE-2026-113732", "lastModified": "2026-10-20T22:19:30.413", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-20T22:19:30.413", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/pypa/virtualenv/commit/3bddeaf8d02c3ee7f576503efb082f8f494cfcab"}, {"source": "security-advisories@github.com", "url": "https://github.com/pypa/virtualenv/releases/tag/21.14.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/pypa/virtualenv/security/advisories/GHSA-c947-3pg5-gm8q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}, {"lang": "en", "value": "CWE-116"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}