CVE-2026-107457

{"id": "CVE-2026-107457", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-107457", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-02T19:21:42.698312Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "USER", "baseScore": 2.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "LOW", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/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:U/V:X/RE:L/U:Green", "exploitMaturity": "UNREPORTED", "providerUrgency": "GREEN", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "LOW", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "affectedData": [{"cpes": ["cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*", "cpe:2.3:a:qt:qtmqtt:*:*:*:*:*:*:*:*"], "vendor": "qt", "modules": ["qtmqtt"], "product": "Qt", "versions": [{"status": "affected", "version": "5.12.0", "versionType": "python", "lessThanOrEqual": "6.8.8"}, {"status": "affected", "version": "6.9.0", "versionType": "python", "lessThanOrEqual": "6.11.2"}, {"status": "unaffected", "version": "0", "lessThan": "5.12.0", "versionType": "python"}], "defaultStatus": "unaffected"}]}], "published": "2026-11-02T09:17:36.430", "references": [{"url": "https://codereview.qt-project.org/c/qt/qtmqtt/+/762286", "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3"}, {"url": "https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-107457:", "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "a59d8014-47c4-4630-ab43-e1b13cbe58e3", "description": [{"lang": "en", "value": "CWE-129"}, {"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A memory corruption vulnerability in the QMqttClient class of the Qt MQTT module.\u00a0Under certain MQTT 5 connection settings between client and server, QMqttClient may corrupt memory, which can cause the application to crash."}], "lastModified": "2026-11-02T20:17:27.777", "sourceIdentifier": "a59d8014-47c4-4630-ab43-e1b13cbe58e3"}