# CVE-2026-106087: Hitachi Energy TRO600 network access restriction bypass

Source: https://junglewise.ai/threats/cve-2026-10756-tro600-contains-a-vulnerability-that-allows-an-authenticated  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-27. Updated: 2026-10-27  
License: CC BY 4.0 with a link back

CVE-2026-106087 · Severity: high · Published 2026-10-27

The Hitachi Energy TRO600, a network protection or relay device, contains a vulnerability allowing authenticated users to bypass security controls that restrict access to sensitive services. An attacker with valid credentials could access administrative or sensitive functions normally isolated to the local system, potentially exposing confidential information or disrupting service availability.

Vendors: [Hitachi Energy](https://junglewise.ai/threats/vendors/hitachi-energy).

## Quick answers

**Is CVE-2026-106087 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-106087 being exploited in the wild.

**How severe is CVE-2026-106087?** High severity, published 27 October 2026.

**Which products and versions are affected?** Hitachi Energy TRO600.

**Is there a fix for CVE-2026-106087?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-106087 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-106087?** Check whether you run Hitachi Energy TRO600. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An authenticated attacker can bypass network access restrictions on the TRO600 by leveraging port forwarding to reach locally bound services and ports. This allows unauthorized interaction with services intended only for localhost access, granting access to sensitive functionality normally protected by network segmentation.

## Affected products

- Hitachi Energy TRO600

## Identifiers

- CVE-2026-106087
- CVE-2026-10756

## Timeline

- 2026-10-27: disclosed

## References

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

## Related threats

- [Hitachi Energy TRO600 arbitrary file read](https://junglewise.ai/threats/cve-2026-106087-tro600-contains-an-arbitrary-file-read-vulnerability-an)