Vulnerabilities CVE-2025-52691

CVE-2025-52691

Medium

Open

KEV

TLP:CLEAR

SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability

NVD CVE.org

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Description

SmarterTools — SmarterMail — 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.

Details

EPSS Score ⓘ: 85.46%

99.7th percentile
Confidence: 100%
CISA KEV
Date Added: Jan 26, 2026
Patch Due: Feb 16, 2026
Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

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