CRITICALCVSS 10.0Actively exploited · CISA KEV since 2026-01-26Vulnerability

CVE-2025-52691

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.

Properties

Euvd product
SmarterMail
Vulnerability name
SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability
First seen
2026-02-26T16:07:23+00:00
Cvss score
10
Epss score
0.85655
Last seen
2026-10-19T12:00:27+00:00
Due date
2026-02-16
Euvd assigner
CSA
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2026-01-26T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2026-01-26
Euvd base score version
3.1
Score
10
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
SmarterTools, SmarterTools Inc.
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
10

Related Entities (9)

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2025-52691 (CVSS 10) — Ninja Signal Threat Intelligence | Ninja Signal