{"cvss":0.0,"datePublished":"2026-02-05","dateUpdated":"2026-02-05","description":"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. ","dueDate":"2026-02-26","id":"CVE-2026-24423","kev_catalogs":["cisa"],"knownRansomwareCampaignUse":"Known","notes":"https://www.smartertools.com/smartermail/release-notes/current ; https://www.cve.org/CVERecord?id=CVE-2026-24423 ; https://nvd.nist.gov/vuln/detail/CVE-2026-24423","product":"SmarterMail","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","severity":"CRITICAL","source":"cisa_known_exploited","title":"SmarterTools SmarterMail Missing Authentication for Critical Function Vulnerability","vendor":"SmarterTools"}