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.
- Vendor
- SmarterTools
- Product
- SmarterMail
- CVSS
- 9.8
- EPSS (exploit probability)
- 87.7%
- Status
- kevransomware use
- CISA patch-by (BOD 22-01)
- Published
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.
Added to CISA’s Known Exploited Vulnerabilities catalog on 2026-02-05. Required action per CISA: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due date: 2026-02-26.
This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.