SmarterMail Fixes Critical Unauthenticated RCE Flaw with CVSS 9.3 Score

SmarterTools has addressed two more security flaws in SmarterMail email software, including one critical security flaw that could result in arbitrary code execution. The vulnerability, tracked as CVE-2026-24423, carries a CVSS score of 9.3 out of 10.0. "SmarterTools SmarterMail versions prior to build 9511 contain an unauthenticated remote code execution vulnerability in the ConnectToHub API