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6.9 Medium

CVE-2026-53786 rsync before 3.5.0 contains a filter rule bypass vulnerability that allows authenticated clients to override…

Description

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.

Affected products and versions

Product Affected versions Fixed in
rsync 3.5 earliest → < 3.5.0 3.5.0
rsync 3.4 earliest → 3.4.4 No fix stated
The 44 CVEs of rsync →
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