Link Following Affecting rsync package, versions <3.5.0-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.14% (4th percentile)

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  • Snyk IDSNYK-ALPINE324-RSYNC-19436110
  • published31 Aug 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

CVE-2026-53797  (opens in a new tab)
CWE-59  (opens in a new tab)
CWE-367  (opens in a new tab)

How to fix?

Upgrade Alpine:3.24 rsync to version 3.5.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rsync package and not the rsync package as distributed by Alpine. See How to fix? for Alpine:3.24 relevant fixed versions and status.

rsync before 3.5.0 contains a symlink race condition vulnerability in the sender's source tree traversal that allows an attacker who can manipulate a parent directory of the source tree to redirect file reads to unintended paths. Attackers can atomically replace a parent directory component with a symlink pointing outside the source root between path resolution and file open operations to disclose file contents outside the intended transfer root.

CVSS Base Scores

version 3.1