{"id":"CVE-2026-113713","state":"PUBLISHED","title":"virtualenv: Temporary app-data can leave dangling seed package links","description":"virtualenv is a tool for creating isolated virtual python environments. From 21.14.8 until 21.14.10, the app-data seeder can leave an environment linked to temporary package files that virtualenv deletes when creation finishes. The environment-variable and configuration-file forms of symlink_app_data can enable this state even though the command-line flag is disabled for temporary app-data. The resulting environment depends on a cache pathname that its owner no longer controls. This issue is fixed in version 21.14.10.","publishedAt":"2026-10-20T19:06:25.880Z","updatedAt":"2026-10-27T13:37:48.952Z","severity":{"score":4.4,"label":"Medium","version":"4.0","vector":"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","source":"GitHub_M"},"assigner":"GitHub_M","products":["pypa virtualenv"],"affected":[{"vendor":"pypa","product":"virtualenv","versions":[{"version":">= 21.14.8, < 21.14.10","status":"affected"}]}],"references":["https://github.com/pypa/virtualenv/security/advisories/GHSA-4f8h-vr72-p32c","https://github.com/pypa/virtualenv/pull/3437","https://github.com/pypa/virtualenv/commit/b81995c3feab9e1edb453c75ffc6616e1a77335e","https://github.com/pypa/virtualenv/releases/tag/21.14.10"],"weaknesses":["CWE-377"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/113xxx/CVE-2026-113713.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-113713","state":"PUBLISHED","datePublished":"2026-10-20T19:06:25.880Z","dateUpdated":"2026-10-27T13:37:48.952Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-10-20T16:03:14.862Z"},"containers":{"cna":{"title":"virtualenv: Temporary app-data can leave dangling seed package links","descriptions":[{"lang":"en","value":"virtualenv is a tool for creating isolated virtual python environments. From 21.14.8 until 21.14.10, the app-data seeder can leave an environment linked to temporary package files that virtualenv deletes when creation finishes. The environment-variable and configuration-file forms of symlink_app_data can enable this state even though the command-line flag is disabled for temporary app-data. The resulting environment depends on a cache pathname that its owner no longer controls. This issue is fixed in version 21.14.10."}],"affected":[{"vendor":"pypa","product":"virtualenv","versions":[{"version":">= 21.14.8, < 21.14.10","status":"affected"}]}],"references":[{"url":"https://github.com/pypa/virtualenv/security/advisories/GHSA-4f8h-vr72-p32c","name":"https://github.com/pypa/virtualenv/security/advisories/GHSA-4f8h-vr72-p32c","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/pypa/virtualenv/pull/3437","name":"https://github.com/pypa/virtualenv/pull/3437","tags":["x_refsource_MISC"]},{"url":"https://github.com/pypa/virtualenv/commit/b81995c3feab9e1edb453c75ffc6616e1a77335e","name":"https://github.com/pypa/virtualenv/commit/b81995c3feab9e1edb453c75ffc6616e1a77335e","tags":["x_refsource_MISC"]},{"url":"https://github.com/pypa/virtualenv/releases/tag/21.14.10","name":"https://github.com/pypa/virtualenv/releases/tag/21.14.10","tags":["x_refsource_MISC"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-377","lang":"en","description":"CWE-377: Insecure Temporary File","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-20T19:06:25.880Z"},"source":{"advisory":"GHSA-4f8h-vr72-p32c","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/pypa/virtualenv/security/advisories/GHSA-4f8h-vr72-p32c","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-27T13:37:40.542593Z","id":"CVE-2026-113713","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-27T13:37:48.952Z"}}]}}}