SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability

When

2026-01-26 00:00 UTC · day precision

Where

Global (internet)

Category

cyber_exploit · ransomware

SmarterTools SmarterMail contains an unrestricted upload of file with dangerous type vulnerability that could allow an unauthenticated attacker to upload arbitrary files to any location on the mail server, potentially enabling remote code execution.

Sources

• CISA ↗ · first seen 2026-01-26 00:00 UTC

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Correlated events

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