CVE-2026-53786 — rsync < 3.5.0 Filter Rule Bypass via --filter Merge Directive
rsync before 3.5.0 contains a filter rule bypass vulnerability that allows authenticated clients to override module-level filter restrictions by supplying malicious --filter mer…
Published: 2026-08-13 · CVSS: 6.9 · CVSS 4.0
rsync before 3.5.0 contains a filter rule bypass vulnerability that allows authenticated clients to override module-level filter restrictions by supplying malicious --filter merge file directives. Attackers can inject client-side merge file directives during filter evaluation to introduce rules that supersede daemon module-level restrictions, gaining access to files the module filter was intended to exclude.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7