{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-105960", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-10-15T15:32:21.945Z", "datePublished": "2026-10-20T20:28:12.533Z", "dateUpdated": "2026-10-20T20:28:12.533Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-10-20T20:28:12.533Z" }, "title": "HMS Networks PEAK-System PCAN Windows drivers Improper Handling of Length Parameter Inconsistency", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-130", "description": "CWE-130", "type": "CWE" } ] } ], "affected": [ { "vendor": "HMS Networks", "product": "PEAK-System Device Driver Setup", "versions": [ { "status": "affected", "version": "0", "lessThanOrEqual": "5.1.2.1151", "versionType": "custom" }, { "status": "unaffected", "version": "5.1.4" } ], "defaultStatus": "unaffected" }, { "vendor": "HMS Networks", "product": "PCAN Windows CAN device drivers", "versions": [ { "status": "affected", "version": "0", "lessThanOrEqual": "5.1.2", "versionType": "custom" }, { "status": "unaffected", "version": "5.1.4" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "PEAK-System PCAN contains a vulnerable operation involving a variable-length receive-record copy. The driver uses a requested or queued record count without sufficiently capping the copy to the actual caller-supplied output length.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "PEAK-System PCAN contains a vulnerable operation involving a variable-length receive-record copy. The driver uses a requested or queued record count without sufficiently capping the copy to the actual caller-supplied output length." } ] } ], "references": [ { "url": "https://www.hms-networks.com/cybersecurity" }, { "url": "https://www.peak-system.com/support/downloads/software/" }, { "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-293-01" }, { "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-293-01.json" } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 5.5, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H" } }, { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 6.8, "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N" } } ], "solutions": [ { "lang": "en", "value": "HMS Networks AB has addressed the issue in version 5.1.4 and recommends that users upgrade to the newest available version. Users can find software updates for PEAK-System PCAN on the software download page https://www.peak-system.com/support/downloads/software/ .\n\n\n\n\nFor more information see the associated HMS security advisory https://www.hms-networks.com/cybersecurity .", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

HMS Networks AB has addressed the issue in version 5.1.4 and recommends that users upgrade to the newest available version. Users can find software updates for PEAK-System PCAN on the software download page.

\n

For more information see the associated HMS security advisory.

" } ] } ], "credits": [ { "lang": "en", "value": "Seyeon Bang reported this vulnerability to CISA.", "type": "finder" } ], "source": { "advisory": "ICSA-26-293-01", "discovery": "EXTERNAL" }, "x_generator": { "engine": "Vulnogram 1.0.5" } } } }