{ "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": "

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

Scope: 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. 

" } ] } ], "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": "

Cloud: No action required. ConnectWise disabled and removed the\naffected third-party RMM+ extensions from cloud-hosted ScreenConnect\nenvironments.

\n\n

On-Premise:

\n\n

" } ] } ], "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" } } ] } }