CVE-2026-24423

CRITICAL9.3

SmarterTools SmarterMail < Build 9511 Unauthenticated RCE via ConnectToHub API

Published Jan 23, 2026

Modified 1 weeks ago

Details

SmarterTools SmarterMail versions prior to build 9511 contain an unauthenticated remote code execution vulnerability in the ConnectToHub API method. The attacker could point the SmarterMail to the malicious HTTP server, which serves the malicious OS command. This command will be executed by the vulnerable application.

References

ADVISORY

https://code-white.com/public-vulnerability-list/#systemadminsettingscontrollerconnecttohub-missing-authentication-in-smartermail

WEB

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-24423

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2026-24423

FIX

https://www.smartertools.com/smartermail/release-notes/current

ADVISORY

https://www.vulncheck.com/advisories/smartertools-smartermail-unauthenticated-rce-via-connecttohub-api

CVSS Analysis