Bug 2515384 (CVE-2026-53784) - CVE-2026-53784 rsync: rsync: Unauthorized File Access via Symlink Module Root
Summary: CVE-2026-53784 rsync: rsync: Unauthorized File Access via Symlink Module Root
Keywords:
Status: NEW
Alias: CVE-2026-53784
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2521800 2521801 2521799
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-13 15:51 UTC by OSIDB Bzimport
Modified: 2026-09-14 18:02 UTC (History)
17 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:67462 0 None None None 2026-09-14 18:01:44 UTC
Red Hat Product Errata RHSA-2026:67463 0 None None None 2026-09-14 18:02:51 UTC

Description OSIDB Bzimport 2026-08-13 15:51:08 UTC
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.

Comment 2 Jon Orris 2026-09-14 18:01:42 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:67462 https://access.redhat.com/errata/RHSA-2026:67462

Comment 3 Jon Orris 2026-09-14 18:02:49 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:67463 https://access.redhat.com/errata/RHSA-2026:67463


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