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    "cveMetadata": {
        "cveId": "CVE-2026-88020",
        "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
        "state": "PUBLISHED",
        "assignerShortName": "icscert",
        "dateReserved": "2026-09-09T19:31:22.591Z",
        "datePublished": "2026-09-22T20:40:26.449Z",
        "dateUpdated": "2026-09-22T20:40:26.449Z"
    },
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                "shortName": "icscert",
                "dateUpdated": "2026-09-22T20:40:26.449Z"
            },
            "title": "Improper Neutralization of Input During Web Page Generation in OpenPLC Runtime v3",
            "datePublic": "2026-09-22T17:53:00.000Z",
            "problemTypes": [
                {
                    "descriptions": [
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                            "lang": "en",
                            "cweId": "CWE-79",
                            "description": "CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')",
                            "type": "CWE"
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                    ]
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            "affected": [
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                    "vendor": "Autonomy Logic",
                    "product": "OpenPLC Runtime",
                    "versions": [
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                            "status": "affected",
                            "version": "3"
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                        {
                            "status": "unaffected",
                            "version": "4"
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            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Autonomy Logic OpenPLC 3 is susceptible to an improper neutralization of input during web page generation vulnerability when the web interface attempts to route the program based on a query string parameter with no encoding.",
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            "references": [
                {
                    "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-265-09"
                },
                {
                    "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-265-09.json"
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                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "CHANGED",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "NONE",
                        "baseSeverity": "MEDIUM",
                        "baseScore": 6.1,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
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                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "LOW",
                        "subConfidentialityImpact": "LOW",
                        "vulnIntegrityImpact": "LOW",
                        "subIntegrityImpact": "LOW",
                        "vulnAvailabilityImpact": "NONE",
                        "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": 5.3,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"
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            "solutions": [
                {
                    "lang": "en",
                    "value": "Autonomy Logic recommends users upgrade to OpenPLC v4 as OpenPLC v3 is end-of-life and is no longer receiving patches, bug fixes, or security updates.",
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                            "base64": false,
                            "value": "Autonomy Logic recommends users upgrade to OpenPLC v4 as OpenPLC v3 is end-of-life and is no longer receiving patches, bug fixes, or security updates."
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            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Rajivarnan R. reported this vulnerability to CISA.",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Shirshak of Secnora reported this vulnerability to CISA.",
                    "type": "finder"
                }
            ],
            "source": {
                "advisory": "ICSA-26-265-09",
                "discovery": "EXTERNAL"
            },
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