Link Following Affecting rsync-daemon package, versions <0:3.2.7-1.el9_8


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.39% (32nd percentile)

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  • Snyk IDSNYK-RHEL9-RSYNCDAEMON-19968820
  • published20 Sept 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

CVE-2026-53793  (opens in a new tab)
CWE-59  (opens in a new tab)

How to fix?

Upgrade RHEL:9 rsync-daemon to version 0:3.2.7-1.el9_8 or higher.
This issue was patched in RHSA-2026:67462.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rsync-daemon package and not the rsync-daemon package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

rsync before 3.5.0 contains a path confinement bypass vulnerability that allows remote clients to escape the intended inner-module root confinement by constructing paths that resolve outside the chroot boundary when the module root contains a /./ boundary marker. Attackers can exploit improper handling of the /./ notation or forge delta-basis transfers referencing xname paths that cross the /./ boundary to gain unauthorized read or write access to files outside the module's subtree.

CVSS Base Scores

version 3.1