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Vulnerabilities

Vulnerability · CVE-2026-4742

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in visualfc liteide (liteidex/src/3rdparty/qjsonrpc/src/http-parser modules).

Published Mar 24, 2026 · catalog updated Jun 17, 2026 · Inconsistent Interpretation of HTTP

Check if you run it

No confirmed exploitation is on record for CVE-2026-4742. EPSS is 0.33%. Act only if a listed version of Inconsistent Interpretation of HTTP is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Inconsistent Interpretation of HTTP).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.33%
Remediation
Not established
Affected products
See sources for product scope

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.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-4742

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-4742. EPSS is 0.33%. Act only if a listed version of Inconsistent Interpretation of HTTP is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-444: HTTP Request Smuggling. EPSS 0.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 24, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-4742

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-4742

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-4742

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.