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-2026-53785 [HIGH] – rsync before 3.5.0 contains a path traversal vulnerability that allows a malicious sender

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rsync before 3.5.0 contains a path traversal vulnerability that allows a malicious sender to write files outside the intended destination directory tree by crafting relative paths with symlink components in –relative mode. The make_path() function follows symlinks pointing outside the destination tree while creating intermediate directories without verifying that created paths remain within the destination boundary, enabling arbitrary file writes on the receiver’s filesystem.