MEDIUM 6.9 NVD
CVE-2026-53786
rsync before 3.5.0 contains a filter rule bypass vulnerability that allows authenticated clients to override module-level filter restrictions by supplying malic
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.
References
- https://github.com/RsyncProject/rsync/releases/tag/v3.5.0
- https://github.com/RsyncProject/rsync/security/advisories/GHSA-mrc3-6cwx-hch6
- https://www.vulncheck.com/advisories/rsync-filter-rule-bypass-via-filter-merge-directive
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-08-13 via NVD.
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