一线运维实战手记 · 云计算 · 数据库 · 故障排查
2026年9月4日

CVE-2026-19693 [HIGH] – extract-zip through 2.0.1 containment-checks only the parent directory of each archive ent

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extract-zip through 2.0.1 containment-checks only the parent directory of each archive entry and never the entry’s own final path component, so an archive containing two entries with identical names – a symlink whose target is outside the destination, followed by a regular file – writes through the planted symlink and yields an arbitrary file write outside the destination directory.