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CVE PROGRAM SOURCE RECORD8.4 High

CVE-2026-53784

rsync < 3.5.0 Path Traversal via Symlink Module Root

Description

rsync before 3.5.0 contains a path traversal vulnerability that allows remote clients to access files outside the intended module root when use chroot is disabled and the module root path or a component of it is a symlink. The daemon calls chdir() to the module root at session initialization without resolving symlinks via realpath() or equivalent, causing subsequent relative-path operations to reference files relative to the symlink target rather than the intended module root, enabling unauthorized file access.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

RsyncProject rsync

Default version status: unaffected

  • 0 to ≤ 3.4.4affected
  • 3.5.0unaffected
pkg:github/RsyncProject/rsync

References