CVE-2026-23760: SmarterTools SmarterMail Authentication Bypass Using an
SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability. 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.
- CISA KEV-listed (remediation due 2026-02-16)
- used in ransomware campaigns
- EPSS 81.7% (99.2% percentile)