CVE-2026-23760 — SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability
Overview
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...
Vulnerability details
- CVE ID
- CVE-2026-23760
- Vulnerability
- SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability
- Vendor
- SmarterTools
- Affected products
- SmarterTools: SmarterMail
- Severity
- HIGH
- Exploitation status
- Actively exploited in the wild (CISA KEV)
- Published
- 2026-01-26
Remediation guidance
CVE-2026-23760 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.
Apply the vendor's official security update for SmarterTools the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.
Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.
Authoritative references
Remediate CVE-2026-23760 — and stay ahead of the next one
CVE-2026-23760 is listed in the CISA KEV catalog as actively exploited — treat remediation as urgent. Scan your domain free to see whether CVE-2026-23760 and other SmarterTools issues affect you and get a prioritized remediation report (full report from ₹999) — or stream the full feed of 1,600+ actively-exploited CVEs straight into your SOC.
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