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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-53786 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulnCheck
CVSS-B 6.9 MEDIUM
Vector:  CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/RsyncProject/rsync/releases/tag/v3.5.0 VulnCheck
https://github.com/RsyncProject/rsync/security/advisories/GHSA-mrc3-6cwx-hch6 VulnCheck
https://www.vulncheck.com/advisories/rsync-filter-rule-bypass-via-filter-merge-directive VulnCheck

Weakness Enumeration

CWE-ID CWE Name Source
CWE-863 Incorrect Authorization VulnCheck  

Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-53786
NVD Published Date:
08/13/2026
NVD Last Modified:
08/14/2026
Source:
VulnCheck