What is CVE-2026-26289?

CVE-2026-26289 is a high-severity vulnerability in Subnet Solutions Powersystem Center 2020, classified under Incorrect Authorization. CVSS score: 8.2/10. Published 2026-05-12.

How severe is CVE-2026-26289?

High severity. CVSS v3 base score is 8.2 out of 10.

Auth bypass in Subnet Solutions Powersystem Center 2020

CVE-2026-26289

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.

Vulnerability class: Broken Access Control

EPSS: 0.000 (11.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L.

Affected products

Subnet Solutions Powersystem Center 2020 — versions 5.8.x
Subnet Solutions Powersystem Center 2024 — versions 6.0.x
Subnet Solutions Powersystem Center 2026 — versions 7.0.x

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

Frequently asked questions

What is CVE-2026-26289?: CVE-2026-26289 is a high-severity vulnerability in Subnet Solutions Powersystem Center 2020, classified under Incorrect Authorization. CVSS score: 8.2/10. Published 2026-05-12.
How severe is CVE-2026-26289?: High severity. CVSS v3 base score is 8.2 out of 10.