www.vulncheck.com CVE-2026-104082: SmarterMail Remote Code Execution Vulnerability
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- •CVE-2026-104082 affects SmarterMail versions before build 9777.
- •Attackers can exploit the vulnerability to gain SYSTEM-level privileges.
- •Organizations with internet-reachable mail servers are most at risk.
A remote code execution vulnerability, CVE-2026-104082, has been identified in SmarterMail versions prior to build 9777. The flaw allows attackers with SysAdmin access tokens to bypass security controls and execute malicious scripts, potentially gaining SYSTEM-level privileges. Organizations with internet-reachable mail servers are particularly at risk, especially if administrative interfaces or tokens are widely accessible. Successful exploitation could lead to significant disruption and unauthorized access to sensitive data. As of today, no active exploitation has been confirmed, but the vulnerability is rated as high severity with a CVSS score of 8.6. Immediate patching is recommended to mitigate risks.
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