CVE-2026-70454: rsync < 3.5.0 TLS Certificate Validation Bypass via SSL/OpenSSL Mode

Overview

Severity

High (CVSS 8)

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N

Exploit Status

Not Exploited

Patch Tuesday

2026-Aug

Released

2026-08-23

EPSS Score

0.19% (percentile: 8.9%)

Affected Products (1)

Other

• 21597-17084

Revision History

• 2026-08-23: Information published.