CVE-2026-127063

CRITICALCVSS 9.3/10

Last modified

CVE-2026-127063 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. The third-party RMM+ extension for ConnectWise ScreenConnect uses a static API secret by default. The value can be changed by an administrator; however, environments retaining the default value may allow unauthorized access to extension API functionality, including the ability to send commands to managed agents.

Description

The third-party RMM+ extension for ConnectWise ScreenConnect uses a static API secret by default. The value can be changed by an administrator; however, environments retaining the default value may allow unauthorized access to extension API functionality, including the ability to send commands to managed agents. This issue is specific to the third-party extension and does not affect the ScreenConnect server or client. Scope: This issue affects the third-party RMM+ extension for ConnectWise ScreenConnect. Deployments without the extension are not affected. ScreenConnect server or client software are not impacted.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
DataCommRMM+All extension versions

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-127063?
The third-party RMM+ extension for ConnectWise ScreenConnect uses a static API secret by default. The value can be changed by an administrator; however, environments retaining the default value may allow unauthorized access to extension API functionality, including the ability to send commands to managed agents. This issue is specific to the third-party extension and does not affect the ScreenConnect server or client. Scope: This issue affects the third-party RMM+ extension for ConnectWise ScreenConnect. Deployments without the extension are not affected. ScreenConnect server or client software are not impacted.
How severe is CVE-2026-127063?
CVE-2026-127063 has a CVSS score of 9.3/10 (CRITICAL severity).
How do I fix CVE-2026-127063?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST