{"id":"CVE-2026-113714","summary":"virtualenv: Downloaded wheel selection and caching precede verification","details":"virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, download_wheel() writes package-index downloads directly into the reusable wheel/house cache before selecting a verification target from pip's textual Saved output. With default-index digest comparison enabled, a controlled package index can inject a misleading Saved line through a discarded link's data-requires-python attribute; this forged-line variant also requires knowledge of an absolute path to the genuine bundled wheel. The wrong path can then be hashed, while a digest mismatch leaves the rejected archive in the cache for later selection without verification. A separate rejected-cache-file variant requires control over downloaded data or archive selection but not the forged-line prerequisites. Explicit custom-index exceptions are outside the promised PyPI comparison, and the issue does not independently bypass TLS or establish control of default PyPI. This issue is fixed in version 21.14.9.","aliases":["GHSA-494p-63j8-28p3"],"modified":"2026-10-21T10:45:50.970946565Z","published":"2026-10-20T19:09:45.096Z","database_specific":{"cwe_ids":["CWE-354"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113714.json","cna_assigner":"GitHub_M"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113714.json"},{"type":"FIX","url":"https://github.com/pypa/virtualenv/commit/7babec66e043e1cc8bc66869a063653898719d96"},{"type":"FIX","url":"https://github.com/pypa/virtualenv/pull/3430"},{"type":"WEB","url":"https://github.com/pypa/virtualenv/releases/tag/21.14.9"},{"type":"ADVISORY","url":"https://github.com/pypa/virtualenv/security/advisories/GHSA-494p-63j8-28p3"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113714"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pypa/virtualenv","events":[{"introduced":"0"},{"fixed":"e53e30b9c8fbc3f4f502223819449ddc970fbbe8"},{"fixed":"7babec66e043e1cc8bc66869a063653898719d96"}],"database_specific":{"extracted_events":[{"strategy":"StringRangeExpression","range":[{"introduced":"0"},{"fixed":"21.14.9"}],"source":"AFFECTED_FIELD"},{"range":[{"fixed":"7babec66e043e1cc8bc66869a063653898719d96"}],"source":"REFERENCES_COMMIT"},{"range":[{"fixed":"e53e30b9c8fbc3f4f502223819449ddc970fbbe8"}],"source":"REFERENCES_TAG","original_tag":"21.14.9"}]}}],"versions":["21.14.8","21.14.7","21.14.6","21.14.5","21.14.4","21.14.3","21.14.2","21.14.1","21.14.0","21.13.0","21.12.1","21.12.0","21.11.1","21.11.0","21.10.0","21.9.1","21.9.0","21.8.1","21.8.0","21.7.16","21.7.15","21.7.14","21.7.13","21.7.12","21.7.11","21.7.10","21.7.9","21.7.8","21.7.7","21.7.6","21.7.5","21.7.4","21.7.3","21.7.2","21.7.1","21.7.0","21.6.1","21.6.0","21.5.2","21.5.1","21.5.0","21.4.3","21.4.2","21.4.1","21.4.0","21.3.3","21.3.2","21.3.1","21.3.0","21.2.4","21.2.3","21.2.2","21.2.1","21.2.0","21.1.0","21.0.0","20.39.1","20.39.0","20.38.0","20.37.0","20.27.3","20.27.2","20.24.3","20.3.0","20.0.32","20.0.7","20.0.0b2","20.0.0b1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-113714.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"}]}