Vulnerability in Hewlett Packard Enterprise (HPE) Instant On

CVE-2026-76726

An authentication bypass vulnerability in the API endpoint of HPE Networking Instant ON could allow an unauthenticated remote attacker to bypass network access controls if certain preconditions outside of the attacker's control are met. Successful exploitation could allow an attacker to obtain unauthorized access to restricted networks.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

References

Frequently asked questions

What is CVE-2026-76726?
CVE-2026-76726 is a high-severity vulnerability in Hewlett Packard Enterprise (HPE) Instant On. CVSS score: 8.1/10. Published 2026-09-29.
How severe is CVE-2026-76726?
High severity. CVSS v3 base score is 8.1 out of 10.