SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
Critical CVSS 9.8 Listed in CISA KEV
Summary
SmarterTools SmarterMail contains a missing authentication for critical function vulnerability in the ConnectToHub API method. This could allow the attacker to point the SmarterMail instance to a malicious HTTP server which serves the malicious OS command and could lead to command execution.
In-depth triage · Auto channel
No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).
Affected products
- SmarterTools:SmarterMail
- :
Sources
- CISA KEV DATABASE
- NVD DATABASE
Original Links
- https://nvd.nist.gov/vuln/detail/CVE-2026-24423 advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
- https://www.smartertools.com/smartermail/release-notes/current reference
- https://www.cve.org/CVERecord?id=CVE-2026-24423 reference
- https://code-white.com/public-vulnerability-list/#systemadminsettingscontrollerconnecttohub-missing-authentication-in-smartermail Third Party Advisory
- https://www.vulncheck.com/advisories/smartertools-smartermail-unauthenticated-rce-via-connecttohub-api Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-24423 US Government Resource
Timeline
- kev_added CISA KEV
- kev_ingest CISA KEV
- nvd_ingest NVD