Information disclosure vulnerability in authentication handling of QWebSocket impacts Qt Framework
Summary
| CVE | CVE-2026-114366 |
|---|---|
| State | PUBLISHED |
| Assigner | Qt |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-11-06 05:18:20 UTC |
| Updated | 2026-11-10 14:17:13 UTC |
| Description | An information disclosure vulnerability in the Qt Framework QWebSocket authentication handling of the Qt WebSockets module. |
Risk And Classification
Primary CVSS: v4.0 2.3 LOW from a59d8014-47c4-4630-ab43-e1b13cbe58e3
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/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:N/R:X/V:X/RE:L/U:Green
EPSS: 0.003860000 probability, percentile 0.329760000 (date 2026-11-08)
Problem Types: CWE-226 | CWE-226 CWE-226 Sensitive Information in Resource Not Removed Before Reuse
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | a59d8014-47c4-4630-ab43-e1b13cbe58e3 | Secondary | 2.3 | LOW | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/C... |
| 4.0 | CNA | CVSS | 2.3 | LOW | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/A... |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
PresentPrivileges Required
NoneUser Interaction
PassiveConfidentiality
HighIntegrity
NoneAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/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:N/R:X/V:X/RE:L/U:Green
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Qt | Qt Framework | unknown 6.6.0 python | Not specified |
| CNA | Qt | Qt Framework | affected 6.6.0 6.8.10 python | Not specified |
| CNA | Qt | Qt Framework | affected 6.9.0 6.11.3 python | Not specified |
| CNA | Qt | Qt Framework | affected 6.12.0 6.12.1 python | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products | a59d8014-47c4-4630-ab43-e1b13cbe58e3 | wiki.qt.io | |
| codereview.qt-project.org/c/qt/qtwebsockets/+/772273 | a59d8014-47c4-4630-ab43-e1b13cbe58e3 | codereview.qt-project.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.