{"id":"CVE-2026-63017","title":"Subnet Solutions PowerSYSTEM Center Incorrect Authorization","summary":"Incorrect authorization in PowerSYSTEM Center allows a low-privileged, authenticated user to access resources normally limited to administrators.","severity":"critical","cvss":9,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-863"],"vendor":"Subnet Solutions","product":"PowerSYSTEM Center 2020","affected":["powersystem_center_2020 <= 5.29.x","powersystem_center_2024 >= 6.0.x <= 6.2.x","powersystem_center_2026 >= 7.0.x <= 7.1.x"],"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T00:06:42.203Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-63017","references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-307-01"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-307-01.json"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T00:42:24.724Z","epss":0.00266,"epssPercentile":0.18619,"slug":"CVE-2026-63017","body":"## Overview\n\nIncorrect authorization in PowerSYSTEM Center allows a low-privileged, authenticated user to access resources normally limited to administrators.\n\n## Affected\n\n- `powersystem_center_2020 <= 5.29.x`\n- `powersystem_center_2024 >= 6.0.x <= 6.2.x`\n- `powersystem_center_2026 >= 7.0.x <= 7.1.x`\n\n## Remediation\n\nFor 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.\n\nSubnet Solutions recommends users update to PowerSYSTEM Center 2020 Update 30. 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.\n\nSubnet Solutions recommends users update 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.\n\n### Workarounds\n\nIf 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.","depth":"midnight","depthScore":50,"depthScoreParts":{"impact":49.5,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}