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    CVE-2026-43617 Rsync ACL Bypass: DNS Reverse Lookup Can Beat Host Deny Rules

    On May 20, 2026, CVE-2026-43617 was published for rsync 3.4.2 and earlier, describing a medium-severity authorization bypass in rsync daemon hostname-based access controls when the service is configured with chroot. The bug is not the kind of remote-code-execution siren that sends every SOC...
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    • cve-2026-43617 daemon acls dns reverse lookup rsync security
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    • Forum: Security Alerts
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