CRITICAL 9.1 NVD

CVE-2026-8065

An authentication bypass vulnerability in the firmware update endpoint of Hitachi Energy RTU500 end-of-life versions allows an unauthenticated attacker to uploa

An authentication bypass vulnerability in the firmware update endpoint of Hitachi Energy RTU500 end-of-life versions allows an unauthenticated attacker to upload arbitrary firmware through a crafted POST request. Successful exploitation could allow the attacker to modify device functionality or compromise the integrity or availability of the device.

References

Published: 2026-09-29 · Source: NVD · Feed updated: 2026-09-30
This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-09-29 via NVD.

Risk Timeline

CVE Disclosed2026-09-29 · 0 days ago

Remediation Resources

vulnfeed aggregates 10239 vulnerabilities from NVD, CISA KEV, Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.