CVE-2026-53797

EUVD-2026-58036
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.
Link Following
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.7 MEDIUM
LOCAL
HIGH
LOW
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 1.71%
Affected Products (NVD)
VendorProductVersion
sambarsync
𝑥
< 3.5.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
rsync
bookworm
vulnerable
bookworm (security)
vulnerable
forky
3.5.0+ds1-3
fixed
sid
3.5.0+ds1-3
fixed
trixie
vulnerable
trixie (security)
vulnerable
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
rsync
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
Azure Linux logo
Azure Linux Releases
Azure Package
Release
rsync
Azure Linux 3.0
0:3.5.0-1.azl3
fixed