{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-84860", "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "state": "PUBLISHED", "assignerShortName": "tenable", "dateReserved": "2026-09-02T13:26:23.692Z", "datePublished": "2026-09-16T14:52:23.502Z", "dateUpdated": "2026-09-16T14:52:23.502Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be", "shortName": "tenable", "dateUpdated": "2026-09-16T14:52:23.502Z"}, "title": "Scada-LTS DWR Authorization Bypass - Systemic", "datePublic": "2026-09-16T14:44:00.000Z", "affected": [{"vendor": "Scada-LTS", "product": "Scada-LTS", "versions": [{"status": "affected", "version": "2.8.1"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "ScadaLTS 2.8.1-release-candidate build 0 is affected by an\u00a0Authorization Bypass\n\n\n\nSpring Security gates DWR endpoints by URL path pattern, but DWR itself dispatches method calls based on the POST body parameters c0-scriptName and c0-methodName. The crossDomainSessionSecurity setting in web.xml is set to false, which disables DWR's built-in origin validation. This means any authenticated user can invoke any DWR method (regardless of the URL-based access control) by sending their request to a URL they are permitted to access (e.g. MiscDwr.initializeLongPoll.dwr) while targeting a restricted class in the POST body.\n\n\n\nThis is the systemic root cause that enables multiple other findings to be exploited as a low privilege user.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>ScadaLTS 2.8.1-release-candidate build 0 is affected by an&nbsp;Authorization Bypass</p><p><span>Spring Security gates DWR endpoints by URL path pattern, but DWR itself dispatches method calls based on the POST body parameters </span><span>c0-scriptName</span><span> and </span><span>c0-methodName</span><span>. The </span><span>crossDomainSessionSecurity</span><span> setting in </span><span>web.xml</span><span> is set to </span><span>false</span><span>, which disables DWR's built-in origin validation. This means any authenticated user can invoke any DWR method (regardless of the URL-based access control) by sending their request to a URL they are permitted to access (e.g. </span><span>MiscDwr.initializeLongPoll.dwr</span><span>) while targeting a restricted class in the POST body.</span></p><p><span>This is the systemic root cause that enables multiple other findings to be exploited as a low privilege user.</span></p>"}]}], "references": [{"url": "https://www.tenable.com/security/research/tra-2026-60"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Scada-LTS", "vendor": "Scada-LTS", "versions": [{"status": "affected", "version": "2.8.1"}]}], "source": "vulnreport@tenable.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ScadaLTS 2.8.1-release-candidate build 0 is affected by an\u00a0Authorization Bypass\n\n\n\nSpring Security gates DWR endpoints by URL path pattern, but DWR itself dispatches method calls based on the POST body parameters c0-scriptName and c0-methodName. The crossDomainSessionSecurity setting in web.xml is set to false, which disables DWR's built-in origin validation. This means any authenticated user can invoke any DWR method (regardless of the URL-based access control) by sending their request to a URL they are permitted to access (e.g. MiscDwr.initializeLongPoll.dwr) while targeting a restricted class in the POST body.\n\n\n\nThis is the systemic root cause that enables multiple other findings to be exploited as a low privilege user."}], "id": "CVE-2026-84860", "lastModified": "2026-09-16T15:18:00.760", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "vulnreport@tenable.com", "type": "Secondary"}]}, "published": "2026-09-16T15:18:00.760", "references": [{"source": "vulnreport@tenable.com", "url": "https://www.tenable.com/security/research/tra-2026-60"}], "sourceIdentifier": "vulnreport@tenable.com", "vulnStatus": "Received"}

{}

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