{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-14480", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "state": "PUBLISHED", "assignerShortName": "icscert", "dateReserved": "2026-07-02T16:00:30.030Z", "datePublished": "2026-07-10T22:17:49.406Z", "dateUpdated": "2026-07-10T22:17:49.406Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2026-07-10T22:17:49.406Z"}, "title": "OpenPLC v3 External Control of File Name or Path", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-73", "description": "CWE-73", "type": "CWE"}]}], "affected": [{"vendor": "OpenPLC", "product": "OpenPLC", "versions": [{"status": "affected", "version": "v3"}, {"status": "unaffected", "version": "v4"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "OpenPLC Runtime v3 contains an authenticated arbitrary file write \nvulnerability in the legacy web UI program\u2011upload workflow. The \napplication stores an attacker\u2011supplied filename (prog_file) directly \ninto the Programs.File database field and later uses this value as the \ndestination path for an uploaded file without validating or restricting \nthe path. Because Python os.path.join() honors attacker\u2011controlled \nabsolute paths, an authenticated user can write arbitrary files anywhere\n writable by the OpenPLC webserver process. In the default build \npipeline, all C++ source files within the OpenPLC runtime core directory\n are automatically compiled into the executable runtime binary. By \nwriting a malicious .cpp file into this directory, an authenticated \nattacker can escalate the arbitrary file write into arbitrary native \ncode execution when the operator triggers a normal program compilation \nand runtime start.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "OpenPLC Runtime v3 contains an authenticated arbitrary file write \nvulnerability in the legacy web UI program\u2011upload workflow. The \napplication stores an attacker\u2011supplied filename (prog_file) directly \ninto the Programs.File database field and later uses this value as the \ndestination path for an uploaded file without validating or restricting \nthe path. Because Python os.path.join() honors attacker\u2011controlled \nabsolute paths, an authenticated user can write arbitrary files anywhere\n writable by the OpenPLC webserver process. In the default build \npipeline, all C++ source files within the OpenPLC runtime core directory\n are automatically compiled into the executable runtime binary. By \nwriting a malicious .cpp file into this directory, an authenticated \nattacker can escalate the arbitrary file write into arbitrary native \ncode execution when the operator triggers a normal program compilation \nand runtime start."}]}], "references": [{"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-190-01"}, {"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-190-01.json"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.9, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "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": "HIGH", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "solutions": [{"lang": "en", "value": "OpenPLC recommends users upgrade to OpenPLC v4 as OpenPLC v3 is \nend-of-life and is no longer receiving patches, bug fixes, or security \nupdates.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "OpenPLC recommends users upgrade to OpenPLC v4 as OpenPLC v3 is \nend-of-life and is no longer receiving patches, bug fixes, or security \nupdates."}]}], "credits": [{"lang": "en", "value": "Grady DeRosa reported this vulnerability to CISA.", "type": "finder"}], "source": {"advisory": "ICSA-26-190-01", "discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 1.0.2"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "v3"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "v4"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "OpenPLC", "source": "cna", "vendor": "OpenPLC"}, "product": "openplc", "vendor": "openplc"}], "created": "2026-07-10T23:30:04.283140+00:00", "updated": "2026-07-10T23:30:04.283182+00:00", "vendors": ["openplc", "openplc$PRODUCT$openplc"]}