CVE-2026-23760
SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability
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.
Affected software
Vendor: SmarterTools · Product: SmarterMail
Weakness types (CWE):
What to do
This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.
Related vulnerabilities in SmarterTools
| CVE | Name | EPSS | Exploited |
|---|---|---|---|
| CVE-2026-24423 | SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerabil | 87.7% | Yes |
| CVE-2025-52691 | SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnera | 85.5% | Yes |
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