{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-44469", "assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "state": "PUBLISHED", "assignerShortName": "CERTVDE", "dateReserved": "2026-05-06T17:08:03.356Z", "datePublished": "2026-05-26T06:39:04.477Z", "dateUpdated": "2026-05-26T06:39:04.477Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "CODESYS Development System", "vendor": "CODESYS", "versions": [{"lessThan": "3.5.22.20", "status": "affected", "version": "3.0.0.0", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:codesys:codesys_development_system:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.5.22.20", "versionStartIncluding": "3.0.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "David Ruscheweyh from SEW-EURODRIVE GmbH & Co KG"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "The affected product extracts installation files to a temporary directory with incorrect default permissions during administrative installation. A low-privileged local attacker can exploit a TOCTOU race condition with a practical time window to replace verified files with malicious ones before installation, resulting in local privilege escalation."}], "value": "The affected product extracts installation files to a temporary directory with incorrect default permissions during administrative installation. A low-privileged local attacker can exploit a TOCTOU race condition with a practical time window to replace verified files with malicious ones before installation, resulting in local privilege escalation."}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "baseScore": 8.5, "baseSeverity": "HIGH", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-276", "description": "CWE-276 Incorrect Default Permissions", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "270ccfa6-a436-4e77-922e-914ec3a9685c", "shortName": "CERTVDE", "dateUpdated": "2026-05-26T06:39:04.477Z"}, "references": [{"url": "https://www.certvde.com/en/advisories/VDE-2026-055/"}], "source": {"advisory": "VDE-2026-055", "defect": ["CERT@VDE#642071"], "discovery": "UNKNOWN"}, "title": "Incorrect Default Permissions in CODESYS Development System", "x_generator": {"engine": "Vulnogram 0.4.0"}}}}

{}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[3.0.0.0,3.5.22.20)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "CODESYS Development System", "source": "cna", "vendor": "CODESYS"}, "product": "development_system", "vendor": "codesys"}], "created": "2026-05-26T08:30:45.825991+00:00", "updated": "2026-05-26T08:30:46.107813+00:00", "vendors": ["codesys", "codesys$PRODUCT$development_system"]}