CVE-2026-23760
CRITICALCVSS v3
9.8
CRITICAL
EPSS Score
79.9%
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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 sys
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 1/22/2026
- Last Modified
- 1/27/2026
Frequently Asked Questions
What is CVE-2026-23760?
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 sys
Is CVE-2026-23760 actively exploited?
Active exploitation of CVE-2026-23760 has not been confirmed. The EPSS score is 79.9%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-23760?
CVE-2026-23760 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.
Is CVE-2026-23760 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.