CVE-2026-94216: ST Engineering iDirect Evolution/Velocity WebServer Evolution HTTP Header webserver authorize redirect
A vulnerability was determined in ST Engineering iDirect Evolution and Velocity WebServer Evolution up to 20260717. This vulnerability affects the function authorize of the file /usr/sbin/webserver of the component HTTP Header Handler. Executing a manipulation of the argument Success can lead to open redirect. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Affected Software
Event History
Frequently Asked Questions
What does an attacker need to exploit this issue?
An attacker can exploit the issue remotely by manipulating the Success argument handled by the authorize function. The vector indicates no privileges are required, but user interaction is required.
Which deployments are affected?
The issue affects ST Engineering iDirect Evolution and Velocity WebServer Evolution through 20260717, specifically the HTTP Header Handler in /usr/sbin/webserver.
Is there evidence that exploitation is practical?
Yes. A public exploit disclosure exists and may be used, and the attack complexity is rated low.
What is the expected impact?
The vulnerability enables an open redirect and is rated medium severity with an integrity impact of low. No confidentiality or availability impact is identified in the supplied vector.
Is a vendor fix or response available?
The available information does not identify a fix. It states that the vendor was contacted before disclosure but did not respond.