CVE-2025-52691
CISA KEV RANSOMWARE
ACT NOW
Priority: 0.00
BB Relevance:
10/100
Published: N/A
Modified: N/A
First seen: 2026-10-29
Status: pending_score
Description
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.
CISA Known Exploited Vulnerability
Vendor / Product
SmarterTools — SmarterMail
Date Added
2026-01-26
Remediation Due
2026-02-16
Ransomware Use
CONFIRMED
https://www.smartertools.com/smartermail/release-notes/current ; https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2025-124/ ; https://nvd.nist.gov/vuln/detail/CVE-2025-52691
Weakness Classification (1)
Affected Software (1)
| Vendor | Product | Version |
|---|---|---|
| smartertools | smartermail | < 100.0.9413 |
References & Advisories (3)
US Government Resource
Third Party Advisory
Exploit
Third Party Advisory