CVE-2026-24423

9.8 CRITICAL CISA KEV - Actively Exploited
Published: January 23, 2026 Modified: February 06, 2026
View on NVD

Description

SmarterTools SmarterMail versions prior to build 9511 contain an unauthenticated remote code execution vulnerability in the ConnectToHub API method. The attacker could point the SmarterMail to the malicious HTTP server, which serves the malicious OS command. This command will be executed by the vulnerable application.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://code-white.com/public-vulnerability-list/#systemadminsettingscontrollerconnecttohub-missing-authentication-in-smartermail
Source: disclosure@vulncheck.com
Third Party Advisory
https://www.smartertools.com/smartermail/release-notes/current
Source: disclosure@vulncheck.com
Release Notes
https://www.vulncheck.com/advisories/smartertools-smartermail-unauthenticated-rce-via-connecttohub-api
Source: disclosure@vulncheck.com
Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-24423
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
30.2%
97th percentile
Exploitation Status
Actively Exploited
Remediation due: 2026-02-26

Weaknesses (CWE)

CWE-306

Affected Vendors

smartertools

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