CVE-2026-26289 PUBLISHED

Subnet Solutions PowerSYSTEM Center Incorrect Authorization

Assigner: icscert
Reserved: 16.04.2026 Published: 12.05.2026 Updated: 13.05.2026

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.

Metrics

CVSS 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
CVSS Score: 8.4

Product Status

Vendor Subnet Solutions
Product PowerSYSTEM Center 2020
Versions Default: unaffected
  • affected from 5.8.x to 5.28.x (incl.)
Vendor Subnet Solutions
Product PowerSYSTEM Center 2024
Versions Default: unaffected
  • affected from 6.0.x to 6.1.x (incl.)
Vendor Subnet Solutions
Product PowerSYSTEM Center 2026
Versions Default: unaffected
  • Version 7.0.x is affected

Solutions

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.

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.

Credits

  • Kelly Stich of Subnet Solutions Inc. reported these vulnerabilities to CISA. finder

References

Problem Types

  • CWE-863 Incorrect Authorization CWE