Vendor

SmarterTools

3 of 3 SmarterTools CVEs in Patchfirst (100%) are in of vulnerabilities exploited in the wild, 3 of them used by ransomware.

CVEs: 3
In CISA KEV: 3100%
Known ransomware use: 3
Median days to KEV: 13; from publication
Latest KEV listing: 5 Feb 2026

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Products

In KEVOther CVEs

ProductKEVCVEs
SmarterMail In KEV: 3 CVEs: 3

Top ATT&CK techniques

What attackers do with SmarterTools CVEs

TechniqueCVEs
T1190Exploit Public-Facing Application CVEs: 3
T1059Command and Scripting Interpreter CVEs: 3
T1505.003Web Shell CVEs: 1
T1078Valid Accounts CVEs: 1

Open in ATT&CK Navigator

A layer for MITRE’s ATT&CK Navigator: techniques scored by the highest Patchfirst priority among their CVEs, neutral to red, with the CVE ids in each comment. “Open in Navigator” loads https://patchfirst.co/navigator/vendor/smartertools.json. Or download it and in Navigator choose Open Existing Layer → Upload from local.

Counts are SmarterTools CVEs linked to the technique. Each link’s provenance is on the CVE page.

SmarterTools CVEs

3 CVEs, by priority

CVE-2025-52691SmarterTools SmarterMail Unrestricted Upload of File with Dangerous Type Vulnerability
SmarterTools · SmarterMailKEVRansomwarePublic exploitCritical · 10.0T1190Exploit Public-Facing Application T1059Command and Scripting Interpreter+1 more · 1 report
85.7%Top 0.28%
88.8priority
CVE-2026-24423SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
SmarterTools · SmarterMailKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing Application T1059Command and Scripting Interpreter
88.2%Top 0.23%
84.8priority
CVE-2026-23760SmarterTools SmarterMail Authentication Bypass Using an Alternate Path or Channel Vulnerability
SmarterTools · SmarterMailKEVRansomwarePublic exploitCritical · 9.8T1190Exploit Public-Facing Application T1078Valid Accounts+1 more
96.4%Top 0.12%
84.8priority