{"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": "2026-11-12T19:03:49.355Z"}, "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:\u00a0No 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": "2026-11-12T18:03:16.134942Z", "id": "CVE-2026-127063", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-11-12T19:03:49.355Z"}}]}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "modules": ["ScreenConnect extension API"], "product": "RMM+", "vendor": "DataComm", "versions": [{"status": "affected", "version": "All extension versions"}]}], "source": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49"}], "cveTags": [], "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."}], "id": "CVE-2026-127063", "lastModified": "2026-11-12T20:04:52.377", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-127063", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-11-12T18:03:16.134942Z", "version": "2.0.3"}}]}, "published": "2026-11-12T18:17:39.760", "references": [{"source": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "url": "https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-127063"}], "sourceIdentifier": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-1392"}], "source": "7d616e1a-3288-43b1-a0dd-0a65d3e70a49", "type": "Secondary"}]}

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