
Nonprofit Security Organization Discovers Over 6,000 Exposed SmarterMail Servers Vulnerable to Critical Authentication Bypass Flaw
Breaking NewsHackingSecurityCVE-2026-23760Hacking NewsInformation Security NewsIT Information SecurityPierluigi PaganiniSecurity AffairsSecurity NewsShadowserverSmarterMail
The nonprofit security organization Shadowserver has identified more than 6,000 SmarterMail servers exposed on the internet that are likely vulnerable to a critical authentication bypass flaw tracked as CVE-2026-23760. The vulnerability was disclosed on January 8 by the cybersecurity firm watchTowr. These exposed servers could be exploited by attackers leveraging this authentication flaw.