CVE-2026-44400
8.1 · HIGHOverview
CVE-2026-44400 is a high-severity vulnerability affecting mailenable mailenable. It was published on May 8, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
MailEnable Enterprise Premium 10.55 and earlier contains an improper authorization vulnerability in the WebAdmin mobile portal that allows attackers to bypass authentication checks by reusing AuthenticationToken cookies generated for low-privileged users. Attackers can obtain a token from the WebMail login endpoint using the PersistentLogin parameter and replay it against the WebAdmin portal to perform highly privileged administrative actions.
Remediation
Check the references section for vendor advisories and patches from mailenable. Update mailenable to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| mailenable | mailenable | >= 0, < 10.56 | Affected |
Frequently Asked Questions
What is CVE-2026-44400?
CVE-2026-44400 is a high-severity vulnerability affecting mailenable mailenable. It was published on May 8, 2026 and has a CVSS 3.1 base score of 8.1 (HIGH).
How severe is CVE-2026-44400?
This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-44400?
Check the references section for vendor advisories and patches from mailenable. Update mailenable to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-44400?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-44400 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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