virtualenv: Builtin creation follows linked environment directories

Summary The builtin creator accepts existing directory symlinks through ensuredir and writes environment files through those directories. This permits writes outside the requested destination. Anthropic's OSS Scanner reported this as ANT-2026-MUFJEG11 in virtualenv-20261015-005, received on 15...

GHSA-CW65-GX24-RC82 virtualenv: Builtin creation follows linked environment directories

Summary The builtin creator accepts existing directory symlinks through ensuredir and writes environment files through those directories. This permits writes outside the requested destination. Anthropic's OSS Scanner reported this as ANT-2026-MUFJEG11 in virtualenv-20261015-005, received on 15...