{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-114369", "assignerOrgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "state": "PUBLISHED", "assignerShortName": "Qt", "dateReserved": "2026-10-21T10:56:06.723Z", "datePublished": "2026-11-12T11:09:29.857Z", "dateUpdated": "2026-11-12T11:09:29.857Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "shortName": "Qt", "dateUpdated": "2026-11-12T11:09:29.857Z"}, "title": "Security Issue CVE-2026-114369 - Resource exhaustion (denial of service) vulnerability in the WebSocket handshake handling of QWebSocket and QWebSocketServer impacts Qt Framework", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-407", "description": "CWE-407 Inefficient Algorithmic Complexity", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-227", "descriptions": [{"lang": "en", "value": "CAPEC-227 Sustained Client Engagement"}]}], "affected": [{"vendor": "qt", "product": "Qt Framework", "modules": ["qtwebsockets"], "versions": [{"status": "unknown", "version": "0", "lessThan": "5.15.0", "versionType": "python"}, {"status": "affected", "version": "5.15.0", "lessThanOrEqual": "6.8.9", "versionType": "python"}, {"status": "affected", "version": "6.9.0", "lessThanOrEqual": "6.12.0", "versionType": "python"}], "defaultStatus": "unaffected", "cpes": ["cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*", "cpe:2.3:a:qt:qtwebsockets:*:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "Resource exhaustion vulnerability in the Qt Framework QWebSocket and QWebSocketServer classes of the Qt WebSockets module", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Resource exhaustion vulnerability in the Qt Framework QWebSocket and QWebSocketServer classes of the Qt WebSockets module"}]}], "references": [{"url": "https://www.qt.io/security-advisories?search=CVE-2026-114369", "name": "Qt security advisory CVE-2026-114369", "tags": ["vendor-advisory"]}, {"url": "https://codereview.qt-project.org/c/qt/qtwebsockets/+/772146", "name": "Qt dev branch", "tags": ["patch"]}, {"url": "https://codereview.qt-project.org/c/qt/qtwebsockets/+/772145", "name": "Qt dev branch", "tags": ["patch"]}, {"url": "https://codereview.qt-project.org/c/qt/qtwebsockets/+/772144", "name": "Qt dev branch", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "UNREPORTED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "AUTOMATIC", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "LOW", "providerUrgency": "CLEAR", "version": "4.0", "baseSeverity": "LOW", "baseScore": 2.7, "vectorString": "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/R:A/RE:L/U:Clear"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*", "cpe:2.3:a:qt:qtwebsockets:*:*:*:*:*:*:*:*"], "defaultStatus": "unaffected", "modules": ["qtwebsockets"], "product": "Qt Framework", "vendor": "qt", "versions": [{"lessThan": "5.15.0", "status": "unknown", "version": "0", "versionType": "python"}, {"lessThanOrEqual": "6.8.9", "status": "affected", "version": "5.15.0", "versionType": "python"}, {"lessThanOrEqual": "6.12.0", "status": "affected", "version": "6.9.0", "versionType": "python"}]}], "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Resource exhaustion vulnerability in the Qt Framework QWebSocket and QWebSocketServer classes of the Qt WebSockets module"}], "id": "CVE-2026-114369", "lastModified": "2026-11-12T12:18:19.057", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "AUTOMATIC", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.7, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "UNREPORTED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "CLEAR", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "LOW"}, "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "type": "Secondary"}]}, "published": "2026-11-12T12:18:19.057", "references": [{"source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "url": "https://codereview.qt-project.org/c/qt/qtwebsockets/+/772144"}, {"source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "url": "https://codereview.qt-project.org/c/qt/qtwebsockets/+/772145"}, {"source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "url": "https://codereview.qt-project.org/c/qt/qtwebsockets/+/772146"}, {"source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "url": "https://www.qt.io/security-advisories?search=CVE-2026-114369"}], "sourceIdentifier": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-407"}], "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "type": "Secondary"}]}

{}

{}