CVE-2026-114366

EUVD-2026-117889
An information disclosure vulnerability in the Qt Framework QWebSocket authentication handling of the Qt WebSockets module.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
QtCNA
2.3 LOW
NETWORK
LOW
NONE
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 32.91%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
qtqt
6.6.0 ≤
𝑥
< 6.8.10
CNA
qtqt
6.9.0 ≤
𝑥
< 6.11.3
CNA
qtqt
6.12.0 ≤
𝑥
< 6.12.1
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://codereview.qt-project.org/c/qt/qtwebsockets/+/772273
https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-114366