CVE-2026-114369

EUVD-2026-124346
Resource exhaustion vulnerability in the Qt Framework QWebSocket and QWebSocketServer classes of the Qt WebSockets module
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
QtCNA
2.7 LOW
NETWORK
LOW
NONE
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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:X/R:A/V:X/RE:L/U:Clear
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
qtqt
5.15.0 ≤
𝑥
≤ 6.8.9
CNA
qtqt
6.9.0 ≤
𝑥
≤ 6.12.0
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://codereview.qt-project.org/c/qt/qtwebsockets/+/772144
https://codereview.qt-project.org/c/qt/qtwebsockets/+/772145
https://codereview.qt-project.org/c/qt/qtwebsockets/+/772146
https://www.qt.io/security-advisories?search=CVE-2026-114369