CVE-2026-53793
High · 7.4CVSS
7.4
EPSS
0.4%
Published
Aug 13, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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