SmarterTools SmarterMail versions prior to build 9511 contain an authentication bypass vulnerability in the password reset API. The force-reset-password endpoint permits anonymous requests and fails t

Description

SmarterTools SmarterMail versions prior to build 9511 contain an authentication bypass 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. An unauthenticated attacker can supply a target administrator username and a new password to reset the account, resulting in full administrative compromise of the SmarterMail instance. NOTE: SmarterMail system administrator privileges grant the ability to execute operating system commands via built-in management functionality, effectively providing administrative (SYSTEM or root) access on the underlying host.

Affected Products

References

• https://code-white.com/public-vulnerability-list/#authenticationserviceforceresetpassword-missing-authentication-in-smartermail(Third Party Advisory)
• https://labs.watchtowr.com/attackers-with-decompilers-strike-again-smartertools-smartermail-wt-2026-0001-auth-bypass/(Exploit, Third Party Advisory)
• https://www.smartertools.com/smartermail/release-notes/current(Release Notes)
• https://www.vulncheck.com/advisories/smartertools-smartermail-authentication-bypass-via-password-reset-api(Third Party Advisory)
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-23760(US Government Resource)
• https://www.huntress.com/blog/smartermail-account-takeover-leading-to-rce(Exploit, Third Party Advisory)

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