CVE detail
CVE-2026-23760: SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
SmarterTools · SmarterMail
- Date added (KEV)
- Jan 26, 2026
- CISA due date
- Feb 16, 2026
- Ransomware campaign use
- Known
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Scorifya interpretation
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Plain English
Technical detail
From CISA
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.
https://www.smartertools.com/smartermail/release-notes/current ; https://nvd.nist.gov/vuln/detail/CVE-2026-23760
See what attackers can see on your domain
This vulnerability is on CISA's Known Exploited Vulnerabilities list, so it is being exploited in the wild right now, including in ransomware campaigns. Scorifya can't test for SmarterTools directly, but in about 30 seconds it shows what your own domain exposes publicly across TLS, security headers, DNS, and cookies: the surface attackers probe first.
SOC 2 compliance
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See Scorifya Controls →References
- https://code-white.com/public-vulnerability-list/#authenticationserviceforceresetpassword-missing-authentication-in-smartermailThird Party Advisory
- https://labs.watchtowr.com/attackers-with-decompilers-strike-again-smartertools-smartermail-wt-2026-0001-auth-bypass/ExploitThird Party Advisory
- https://www.smartertools.com/smartermail/release-notes/currentRelease Notes
- https://www.vulncheck.com/advisories/smartertools-smartermail-authentication-bypass-via-password-reset-apiThird Party Advisory
Other recent CVEs from SmarterTools
- CVE-2026-24423SmarterMail, SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
- CVE-2025-52691SmarterMail, SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability