5.0
MEDIUM CVSS 2.0
CVE-2026-94216
ST Engineering iDirect Evolution/Velocity WebServer Evolution HTTP Request authorize response splitting
Description

A vulnerability was determined in ST Engineering iDirect Evolution and Velocity WebServer Evolution. This vulnerability affects unknown code of the file /authorize of the component HTTP Request Handler. Executing a manipulation of the argument Success can lead to http response splitting. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The validated environment is an EOL X7 (or an un-modelled legacy Evolution 21.x), and current supported releases (X10, X11, Velocity 5.x+) have no validated evidence of impact.

INFO

Published Date :

Sept. 21, 2026, 1:17 p.m.

Last Modified :

Sept. 30, 2026, 7:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-94216 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 St_engineering_idirect evolution
2 St_engineering_idirect velocity_webserver_evolution
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Address open redirect vulnerability by validating input and updating the web server.
  • Validate the 'Success' argument for proper format.
  • Apply updates to the web server software.
  • Restrict external access to the web server.
  • Monitor web server logs for suspicious activity.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-94216 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-94216 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-94216 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Sep. 30, 2026

    Action Type Old Value New Value
    Changed Description 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. A vulnerability was determined in ST Engineering iDirect Evolution and Velocity WebServer Evolution. This vulnerability affects unknown code of the file /authorize of the component HTTP Request Handler. Executing a manipulation of the argument Success can lead to http response splitting. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The validated environment is an EOL X7 (or an un-modelled legacy Evolution 21.x), and current supported releases (X10, X11, Velocity 5.x+) have no validated evidence of impact.
    Added CWE CWE-93
    Added CWE CWE-113
    Removed CWE CWE-601
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/94xxx/CVE-2026-94216.json">CVE-2026-94216</a>
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 21, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-94216', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-21T15:19:28.405250Z'}
  • New CVE Received by [email protected]

    Sep. 21, 2026

    Action Type Old Value New Value
    Added Description 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:N)
    Added CWE CWE-601
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/94xxx/CVE-2026-94216.json">CVE-2026-94216</a>
    Added Reference https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/IDIRECT-WEBSERVER-CRLF-OPENREDIRECT-001-vulndb.md
    Added Reference https://vuldb.com/cve/CVE-2026-94216
    Added Reference https://vuldb.com/submit/894247
    Added Reference https://vuldb.com/vuln/408071
    Added Reference https://vuldb.com/vuln/408071/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.