CRITICALCVSS 9.8Actively exploited · CISA KEV since 2026-01-26Vulnerability

CVE-2026-23760

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.

Properties

Euvd product
SmarterMail
Vulnerability name
SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability
First seen
2026-08-04T03:56:03+00:00
Cvss score
9.8
Epss score
0.96432
Last seen
2026-10-19T12:00:27+00:00
Due date
2026-02-16
Euvd assigner
VulnCheck
Retrieved at
2026-10-21T01:24:49+00:00
Exploited euvd since
2026-01-26T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2026-01-26
Score
9.8
Euvd base score version
4.0
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
SmarterTools, SmarterTools Inc.
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.3

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CVE-2026-23760 (CVSS 9.8) — Ninja Signal Threat Intelligence | Ninja Signal