CVE-2026-24423
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.
Scoring
- Severity
- CRITICAL
- CVSS base score
- 9.3
- CVSS vector
- 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
- EPSS probability
- 87.69%
- CISA KEV
- Known exploited vulnerability
- CWE
- CWE-306
- Published
- 2026-01-23
- Last modified
- 2026-08-04
Affected products
- SmarterTools SmarterMail
Weakness type
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