CVE-2026-43617: Rsync < 3.4.3 Authorization Bypass via Hostname Resolution
Overview
- Severity
- Medium (CVSS 4.8)
- CVSS Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-21
- EPSS Score
- 0.01% (percentile: 1.8%)
Affected Products (1)
Open Source Software
- azl3 rsync 3.4.1-2 on Azure Linux 3.0
Revision History
- 2026-05-21: Information published.