Check Point Advisories

SmarterTools SmarterMail Authentication Bypass (CVE-2026-23760)

Check Point Reference: CPAI-2026-0500
Date Published: 22 Jan 2026
Severity: High
Last Updated: Sunday 05 July, 2026
Source:
Industry Reference:CVE-2026-23760
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? SmarterTools SmarterMail prior to build 9511
Vulnerability Description An authentication bypass vulnerability exists in SmarterTools SmarterMail. Successful exploitation of this vulnerability would allow remote attackers to gain unauthorized access into the affected system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the SmarterTools SmarterMail Authentication Bypass (CVE-2026-23760) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  SmarterTools SmarterMail Authentication Bypass (CVE-2026-23760)

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