PatchTheCEVCVE-2026-53797: rsync before 3.5.0 contains a symlink race condition vulnerability in the sender's source tree traversal that
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Routine
MEDIUM 4.7UPGRADE
CVE-2026-53797 is a medium-severity flaw (CVSS 4.7) affecting rsync. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
samba rsync UPGRADE
Affected: < 3.5.0
Fixed in: 3.5.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy rsync || rpm -q rsync || rsync --version
2. UPGRADE to 3.5.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade rsync
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade rsync
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
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