CVE-2026-24423 (GCVE-0-2026-24423)

Vulnerability from cvelistv5 – Published: 2026-01-23 16:53 – Updated: 2026-01-24 04:55
VLAI?
Title
SmarterTools SmarterMail < Build 9511 Unauthenticated RCE via ConnectToHub API
Summary
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.
Severity ?
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
SmarterTools SmarterMail Affected: 0 , < 100.0.9511 (semver)
Create a notification for this product.
Credits
Sina Kheirkhah & Piotr Bazydlo of watchTowr Markus Wulftange of CODE WHITE GmbH Cale Black of VulnCheck
Show details on NVD website
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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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