Report: CVE-2026-43617 - Rsync < 3.4.3 Authorization Bypass via Hostname Resolution - 2025 Update
CVE ID :CVE-2026-43617 Published : May 20, 2026, 12:52 a.m. | 1 hour, 17 minutes ago Description :Rsync version 3.4.2 and prior contain an authorization bypass vulnerability in the rsync daemon's hostname-based access control list enforcement when configured with chroot. Attackers can bypass hostname-based deny rules by controlling the PTR record for their source IP address, allowing connections from hostnames that administrators intended to deny when reverse DNS resolution fails and defaults to UNKNOWN. Severity: 6.3 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...