Known vulnerability record
CVE-2026-24423
SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
Summary
SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability
SmarterTools SmarterMail contains a missing authentication for critical function vulnerability in the ConnectToHub API method. This could allow the attacker to point the SmarterMail instance to a malicious HTTP server which serves the malicious OS command and could lead to command execution.
Signals
Keep the signals separate
CVSS severitycriticalScore 9.3 · source VulnCheck
EPSS probability87.7%Probability of exploitation in the next 30 days; not severity
CISA KEVKnown exploitedAdded 2026-02-05
Ransomware useknownPreserved as known / unknown, not a truthy default
Timeline
Dates and provenance
- CVE published
- 2026-01-23
- CVE modified
- 2026-08-04
- KEV date added
- 2026-02-05
- Dataset fetched
- 2026-08-21T03:55:01.783Z
Sources
Original records
- https://www.cve.org/CVERecord?id=CVE-2026-24423 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-24423 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-24423 ↗
Version history: normalized permanent page created 2026-08-20. Machine-enriched fields remain source-attributed.