Quick answers
- Is CVE-2026-8067 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-8067 being exploited in the wild.
- How severe is CVE-2026-8067?
- Medium severity, with a CVSS score of 6.5, published 29 September 2026.
- Which products and versions are affected?
- Hitachi Energy RTU500 <UNKNOWN>.
- Is there a fix for CVE-2026-8067?
- 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-2026-8067 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-8067?
- Check whether you run Hitachi Energy RTU500 at an affected version. 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 improper authorization vulnerability in the RTU500's web application reset endpoint fails to validate user privileges, allowing any authenticated user to trigger a device reboot. The attack requires valid credentials but does not require elevated permissions. Successful exploitation disrupts device operation and availability.
Affected products
- Hitachi Energy RTU500 <UNKNOWN>
Timeline
- 2026-09-29: disclosed