CRITICALCVSS v4 9.3Vulnerability

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.

Properties

Epss score
0.00376
Cvss score
9.3
First seen
2026-11-12T18:31:54+00:00
Last seen
2026-11-12T18:31:54+00:00
Euvd assigner
ConnectWise
Retrieved at
2026-11-14T00:51:03+00:00
Src batch id
euvd-20261112T193401Z-c728da
Source url
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-124597
Score
9.3
Euvd base score version
4.0
Fetched at
2026-11-12T19:34:20+00:00
Euvd vendor
DataComm
Cvss vector
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
First seen by Signal
2026-11-12T19:34:21+00:00
Euvd base score
9.3
Vector
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
Content hash
e2662c63ffe669756e99e61d5eaeb317778414a86d73b761c4d0dc75a73dd4c4
Published at
2026-11-12T18:17:39.760
Last modified
2026-11-13T05:18:39.287
Euvd updated
2026-11-12T18:31:54+00:00

Related Entities (1)

HAS_WEAKNESS (1)

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CVE-2026-127063 (CVSS v4 9.3) — Ninja Signal Threat Intelligence | Ninja Signal