{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-127063","assignerOrgId":"7d616e1a-3288-43b1-a0dd-0a65d3e70a49","state":"PUBLISHED","assignerShortName":"ConnectWise","dateReserved":"2026-11-12T13:32:52.223Z","datePublished":"2026-11-12T17:50:07.196Z","dateUpdated":"2026-11-13T05:00:55.527Z"},"containers":{"cna":{"providerMetadata":{"orgId":"7d616e1a-3288-43b1-a0dd-0a65d3e70a49","shortName":"ConnectWise","dateUpdated":"2026-11-12T17:50:07.196Z"},"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-1392","description":"CWE-1392 Use of default credentials","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-70","descriptions":[{"lang":"en","value":"CAPEC-70 Try Common or Default Usernames and Passwords"}]}],"affected":[{"vendor":"DataComm","product":"RMM+","modules":["ScreenConnect extension API"],"versions":[{"status":"affected","version":"All extension versions"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"The\nthird-party RMM+ extension for ConnectWise ScreenConnect uses a static API\nsecret by default. The value can be changed by an administrator; however,\nenvironments retaining the default value may allow unauthorized access to\nextension API functionality, including the ability to send commands to managed\nagents. This issue is specific to the third-party extension and does not affect\nthe ScreenConnect server or client.\n\n\n\n\n\nScope: This issue affects the third-party RMM+\nextension for ConnectWise ScreenConnect. Deployments without the extension are\nnot affected. ScreenConnect server or client software are not impacted.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>The\nthird-party RMM+ extension for ConnectWise ScreenConnect uses a static API\nsecret by default. The value can be changed by an administrator; however,\nenvironments retaining the default value may allow unauthorized access to\nextension API functionality, including the ability to send commands to managed\nagents. This issue is specific to the third-party extension and does not affect\nthe ScreenConnect server or client.</p>\n\n<p><b>Scope</b>: This issue affects the third-party RMM+\nextension for ConnectWise ScreenConnect. Deployments without the extension are\nnot affected. ScreenConnect server or client software are not impacted.&nbsp;</p>"}]}],"references":[{"url":"https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-127063"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","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":"CRITICAL","baseScore":9.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}],"solutions":[{"lang":"en","value":"Cloud: No action required. ConnectWise disabled and removed the\naffected third-party RMM+ extensions from cloud-hosted ScreenConnect\nenvironments.\n\n\n\n\n\nOn-Premise:\n\n\n\n\n\n\n\n  *  Disable the RMM+ extension immediately and verify that it\nremains disabled.\n  *  Do not re-enable or reinstall it pending further guidance.","supportingMedia":[{"type":"text/html","base64":false,"value":"<p><b>Cloud:&nbsp;</b><span>No action required. ConnectWise disabled and removed the\naffected third-party RMM+ extensions from cloud-hosted ScreenConnect\nenvironments.</span></p>\n\n<p><b>On-Premise:</b></p>\n\n<p></p><ul><li>Disable the RMM+ extension immediately and verify that it\nremains disabled.</li><li>Do not re-enable or reinstall it pending further guidance.</li></ul><p></p>"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-11-12T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-127063"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-11-13T05:00:55.527Z"}}]}}