SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability - CVE-2026-23760
Affected Systems:
SmarterTools SmarterMail
Executive Summary
SmarterTools SmarterMail contains an authentication bypass using an alternate path or channel vulnerability in the password reset API. The force-reset-password endpoint permits anonymous requests and fails to verify the existing password or a reset token when resetting system administrator accounts. This could allow an unauthenticated attacker to supply a target administrator username and a new password to reset the account, resulting in full administrative compromise of the SmarterMail instance.
CVSS Score: 9.0/10.0
Severity: CRITICAL
Affected Systems
- SmarterTools SmarterMail
Detection & Mitigation
- Apply vendor patches as soon as available
- Monitor for indicators of compromise
- Review vendor advisories for specific guidance