{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-115679", "assignerOrgId": "56a131ea-b967-4a0d-a41e-5f3549952846", "state": "PUBLISHED", "assignerShortName": "Arm", "dateReserved": "2026-10-23T08:33:46.069Z", "datePublished": "2026-10-26T15:46:01.084Z", "dateUpdated": "2026-10-26T16:18:15.567Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "56a131ea-b967-4a0d-a41e-5f3549952846", "shortName": "Arm", "dateUpdated": "2026-10-26T15:46:01.084Z"}, "datePublic": "2026-10-26T15:13:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-195", "description": "CWE-195 Signed to unsigned conversion error", "type": "CWE"}]}], "affected": [{"vendor": "Keil", "product": "MDK-Middleware", "versions": [{"status": "affected", "version": "8.3.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Arm Keil MDK-Middleware 8.3.0 may allow\u00a0out-of-bounds\u00a0reads and writes to the\u00a0FTP Server RX Buffer", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Arm Keil MDK-Middleware 8.3.0 may allow&nbsp;out-of-bounds&nbsp;reads and writes to the&nbsp;FTP Server RX Buffer<br>"}]}], "references": [{"url": "https://support.arm.com/documentation/112560"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-10-26T16:18:11.550443Z", "id": "CVE-2026-115679", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-26T16:18:15.567Z"}}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "MDK-Middleware", "vendor": "Keil", "versions": [{"status": "affected", "version": "8.3.0", "versionType": "semver"}]}], "source": "arm-security@arm.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Arm Keil MDK-Middleware 8.3.0 may allow\u00a0out-of-bounds\u00a0reads and writes to the\u00a0FTP Server RX Buffer"}], "id": "CVE-2026-115679", "lastModified": "2026-10-26T17:17:17.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-115679", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-26T16:18:11.550443Z", "version": "2.0.3"}}]}, "published": "2026-10-26T16:17:17.450", "references": [{"source": "arm-security@arm.com", "url": "https://support.arm.com/documentation/112560"}], "sourceIdentifier": "arm-security@arm.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-195"}], "source": "arm-security@arm.com", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "8.3.0"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "MDK-Middleware", "source": "cna", "vendor": "Keil"}, "product": "mdk-middleware", "vendor": "keil"}], "created": "2026-10-26T18:49:35.248265+00:00", "title": "Out-of-Bounds Read/Write in Keil MDK-Middleware FTP Server Buffer", "updated": "2026-10-26T19:00:08.952721+00:00", "vendors": ["keil", "keil$PRODUCT$mdk-middleware"]}