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2.1
CVE-2026-94216: ST Engineering iDirect iDX/Evo iDX allows remote response splitting
CVE-2026-94216 · published 28 days ago
Summary
The iDX and Evo iDX web interface can be tricked into sending malformed HTTP responses when a specially crafted value is sent to the "Success" parameter. This could let an attacker inject unwanted headers or content into users' web traffic. The issue only affects older, unsupported versions; upgrade to a supported release or apply vendor patches to mitigate the risk.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| st engineering idirect | evolution | 20260717 |
| st engineering idirect | velocity webserver evolution | 20260717 |
| st engineering idirect | idx | All versions |
| st engineering idirect | evo idx | All versions |
Original advisory text
ST Engineering iDirect iDX/Evo iDX HTTP Request authorize response splitting
A vulnerability was determined in ST Engineering iDirect iDX and Evo iDX. 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. This vulnerability only affects products that are no longer supported by the maintainer.
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit
- Gives an attacker partial control
Type
CWE-601Open Redirect
CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')
CWE-113Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
Timeline
Published21 Sep 2026
Updated19 Oct 2026
First seen21 Sep 2026
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