CVE detail
CVE-2025-52691 — SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability
Published 2026-01-26 · Modified 2026-01-26 · Source kev
HIGH
severity
CVSS-derived band
0.8546
EPSS probability
exploitation probability, 30d
100.0%
EPSS percentile
percentile vs all CVEs
LISTED
CISA KEV
due 2026-02-16
⚠ Actively exploited in the wild — CISA KEV listed 2026-01-26, federal remediation due 2026-02-16. RANSOMWARE
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.
Remediation
No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.
References