{"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":"2026-09-17T18:37:14.382Z"},"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 Authorization 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"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-639","lang":"en","description":"CWE-639 Authorization Bypass Through User-Controlled Key"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-17T18:36:47.898521Z","id":"CVE-2026-84860","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-17T18:37:14.382Z"}}]}}