Is CVE-2026-116280 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-116280?

CVE-2026-116280 has a CVSS v3 severity of MEDIUM (5.5).

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CVE-2026-116280

Description

A vulnerability was determined in Kameleo up to 5.0.1.26. Affected is the function InternalController.TestProxy of the file client-engine-application/f.cs of the component Proxy Validation. Executing a manipulation of the argument host/port can lead to server-side request forgery. The attack may be launched remotely. Upgrading to version 5.2.0 is able to address this issue. It is suggested to upgrade the affected component. The route has been removed and replaced with /general/test-proxy in 5.2.0.