CVE-2026-111681
High
Description
EFAK through 5.1.0 contains a missing authorization vulnerability that allows authenticated low-privilege users to manage accounts because the /api/users endpoints lack administrator role checks. Attackers can send POST, PUT, or DELETE requests to UserController to grant themselves ROLE_ADMIN, create administrators, or delete users, gaining control of managed Kafka clusters.
SeverityHigh
CVSS8.8
Exploit probability—
ProductEFAK
PublishedOct 16, 2026
First seenOct 16, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| smartloli EFAK | 5.0.0 ≤ v ≤ 5.1.0 | — |
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