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While uv does bundle (and document bundling of) a portion of virtualenv, this includes only activation scripts[1]. Based on the CVE report[2] and upstream advisory[3], and the linked fix[4], the vulnerability is in parts of the virtualenv package other than the activation scripts. Therefore, uv is not affected. [1] https://github.com/pypa/virtualenv/tree/20.36.1/src/virtualenv/activation [2] https://www.cve.org/CVERecord?id=CVE-2026-22702 [3] https://github.com/pypa/virtualenv/security/advisories/GHSA-597g-3phw-6986 [4] https://github.com/pypa/virtualenv/pull/3013