CVE-2026-63017

Subnet Solutions PowerSYSTEM Center Incorrect Authorization

Published Nov 6, 2026 CVSS 4.0 · 9.4 Critical EPSS < 1% KEV · Not listed
Description
Incorrect authorization in PowerSYSTEM Center allows a low-privileged, authenticated user to access resources normally limited to administrators.

Remediation

Vendor Solution

For users who are currently using PowerSYSTEM Center 2024, Subnet Solutions recommends users upgrade to PowerSYSTEM Center 2026 Update 1.1. For assistance in upgrading, users should contact the Subnet Solutions System Integration team or customer support team at (403) 270-8885 or by email at support@subnet.com.


Vendor Workaround

If unable to update to the latest version, Subnet Solutions recommends users monitor user activity records to ensure users are following acceptable usage policies of the application. Subnet Solutions also recommends disabling PowerSYSTEM Center Client Access Server users' ability to access the browser's F12 Developer Tools.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Subnet Solutions
Subnet Solutions powersystem Center 2020
Subnet Solutions powersystem Center 2024
Subnet Solutions powersystem Center 2026
Vendors & Products Subnet Solutions
Subnet Solutions powersystem Center 2020
Subnet Solutions powersystem Center 2024
Subnet Solutions powersystem Center 2026
Type Values Removed Values Added
Description Incorrect authorization in PowerSYSTEM Center allows a low-privileged, authenticated user to access resources normally limited to administrators.
Title Subnet Solutions PowerSYSTEM Center Incorrect Authorization
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 9, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.4, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Nov 10, 2026, 2:00 PM
Reserved
Jul 27, 2026, 9:24 PM
Status
Awaiting Analysis
Published
Nov 6, 2026, 1:17 AM
Modified
Nov 12, 2026, 10:09 PM