{"id":"CVE-2026-113723","state":"PUBLISHED","title":"virtualenv: Bash prompt values can change meaning under older compatibility modes","description":"virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, caller-supplied prompt text can become executable syntax in the bash activation prompt. An attacker must influence the value passed to virtualenv, and a user must subsequently activate the environment and draw the prompt. This vulnerability is fixed in 21.14.9.","publishedAt":"2026-10-20T19:51:06.340Z","updatedAt":"2026-10-27T13:31:27.357Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["pypa virtualenv"],"affected":[{"vendor":"pypa","product":"virtualenv","versions":[{"version":"< 21.14.9","status":"affected"}]}],"references":["https://github.com/pypa/virtualenv/security/advisories/GHSA-6w3r-xr62-4xcp","https://github.com/pypa/virtualenv/pull/3418","https://github.com/pypa/virtualenv/commit/5f48d711731311428aebfae61d46957762155b22","https://github.com/pypa/virtualenv/releases/tag/21.14.9"],"weaknesses":["CWE-78"],"ingestedAt":"2026-10-29T20:10:43.281Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/113xxx/CVE-2026-113723.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-113723","state":"PUBLISHED","datePublished":"2026-10-20T19:51:06.340Z","dateUpdated":"2026-10-27T13:31:27.357Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-10-20T16:03:14.863Z"},"containers":{"cna":{"title":"virtualenv: Bash prompt values can change meaning under older compatibility modes","descriptions":[{"lang":"en","value":"virtualenv is a tool for creating isolated virtual python environments. Prior to 21.14.9, caller-supplied prompt text can become executable syntax in the bash activation prompt. An attacker must influence the value passed to virtualenv, and a user must subsequently activate the environment and draw the prompt. This vulnerability is fixed in 21.14.9."}],"affected":[{"vendor":"pypa","product":"virtualenv","versions":[{"version":"< 21.14.9","status":"affected"}]}],"references":[{"url":"https://github.com/pypa/virtualenv/security/advisories/GHSA-6w3r-xr62-4xcp","name":"https://github.com/pypa/virtualenv/security/advisories/GHSA-6w3r-xr62-4xcp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/pypa/virtualenv/pull/3418","name":"https://github.com/pypa/virtualenv/pull/3418","tags":["x_refsource_MISC"]},{"url":"https://github.com/pypa/virtualenv/commit/5f48d711731311428aebfae61d46957762155b22","name":"https://github.com/pypa/virtualenv/commit/5f48d711731311428aebfae61d46957762155b22","tags":["x_refsource_MISC"]},{"url":"https://github.com/pypa/virtualenv/releases/tag/21.14.9","name":"https://github.com/pypa/virtualenv/releases/tag/21.14.9","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:L/AC:H/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"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"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-20T19:51:06.340Z"},"source":{"advisory":"GHSA-6w3r-xr62-4xcp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/pypa/virtualenv/security/advisories/GHSA-6w3r-xr62-4xcp","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-27T13:31:20.167759Z","id":"CVE-2026-113723","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-27T13:31:27.357Z"}}]}}}