CVE-2026-24423
SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
9.3
CVSS 4.0
88.2 %
EPSS (current)
2026-02-05
KEV addition
Yes
Ransomware
Timeline
Publication, first public exploit and KEV addition on a day axis.
Key facts
Vendor / product: SmarterTools / SmarterMail
Published: 2026-01-23 · Due (CISA): 2026-02-26
CWE: CWE-306 · EU list: no
Exploit references (metadata only)
| Source | Reference | Title | Date |
|---|---|---|---|
| nuclei | http/cves/2026/CVE-2026-24423.yaml | SmarterMail - Remote Code Execution | – |
References only — no downloads or instructions.