Summaryinfo

A vulnerability was found in visualfc liteide up to x38.3. It has been classified as problematic. This affects an unknown function of the file http_parser.C of the component HTTP Request Handler. The manipulation leads to request smuggling. This vulnerability is traded as CVE-2026-4742. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in visualfc liteide up to x38.3 and classified as problematic. This issue affects an unknown code block of the file http_parser.C of the component HTTP Request Handler. The manipulation with an unknown input leads to a request smuggling vulnerability. Using CWE to declare the problem leads to CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in visualfc liteide (liteidex/src/3rdparty/qjsonrpc/src/http-parser modules). This vulnerability is associated with program files http_parser.C. This issue affects liteide: before x38.4.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-4742 since 03/24/2026. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version x38.4 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Vendor

• visualfc

Name

• liteide

Version

• x38.0
• x38.1
• x38.2
• x38.3

Website

• Product: https://github.com/visualfc/liteide/

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