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Affected Component
Analysis
rsync
Exploitable
Name
CVE-2026-53791
Description
rsync daemon before 3.5.0 contains an IP address spoofing vulnerability that allows unauthenticated remote attackers to bypass IP-based access controls by sending a crafted PROXY protocol header with a forged source address. Attackers who can connect directly to the rsync daemon can inject a spoofed source IP in the PROXY protocol header to circumvent hosts allow/deny rules, gaining unauthorized access that would otherwise be blocked based on their real source address.
CWEs
Published Date
Updated Date
Workaround
-
Analysis#
Vulnerability Ratings#
9.1
CVSSv4
9.1
CVSSv31
NaN
other