CVE-2026-26289

Subnet Solutions PowerSYSTEM Center Incorrect Authorization

Published May 12, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Description
PowerSYSTEM Center REST API endpoint for device account export allows an authenticated user with limited permissions to expose sensitive information normally restricted to administrative permissions only.

Remediation

Vendor Solution

Subnet Solutions recommends users update to the latest version of PowerSYSTEM Center PSC 2020 Update 29, PSC 2024 Update 2, and PSC 2026 GA Hotfix. For assistance in upgrading, users should contact a Subnet Solutions System Integration team member or customer support team at (403) 270-8885 or by email at [support@subnet.com](mailto:support@subnet.com). Subnet Solutions recommends users do the following in order to reduce risk: * Monitor user activity records to ensure users are following acceptable usage policies of the application. * Restrict access to Notification Settings to trusted Administrators Monitor "Send from Address" in settings and Activity Records. * Configure a notification rule that triggers in any bulk account export activity.

Tracking

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Advisories

No advisories available
History
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
Metrics ssvc

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

Type Values Removed Values Added
Description PowerSYSTEM Center REST API endpoint for device account export allows an authenticated user with limited permissions to expose sensitive information normally restricted to administrative permissions only.
Title Subnet Solutions PowerSYSTEM Center Incorrect Authorization
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L'}

cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:H/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
May 13, 2026, 12:19 AM
Reserved
Apr 16, 2026, 2:05 PM
Status
Awaiting Analysis
Published
May 12, 2026, 10:16 PM
Modified
Oct 26, 2026, 6:10 PM