CVE-2026-4742

Name: CVE-2026-4742
Creator: NVD / NIST
Published: 2026-03-24T04:17:30.38+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.9/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2026-4742 is a low-severity vulnerability rated 2.9/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 4.0

2.9/10

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/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:N/AU:N/R:U/V:D/RE:L/U:Green

EPSS Probability

0.21%

10.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-444

References

https://github.com/visualfc/liteide/pull/1325

Timeline

Published: Mar 24, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-4742?

How severe is CVE-2026-4742?

CVE-2026-4742 has a CVSS score of 2.9/10 (LOW severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2026-4742?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-4742?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST