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CVE-2026-24423
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CVE
CVE-2026-24423
P1
⬤ KNOWN RANSOMWARE USE
SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
SmarterTools · SmarterMail
Date added (CISA)
2026-02-05
Remediation due
2026-02-26
Known ransomware use
Yes
Remediation priority
P1 — known ransomware use · past CISA due date
Overview
ATT&CK
Related
Related
Nothing linked yet
No threat actor or pipeline report has been cross-referenced against this CVE yet.
Source:
NVD ↗
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CISA KEV Catalog ↗
CVE-2026-24423: SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability · RaqibCTI