Quick answers
- Is CVE-2026-76726 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-76726 being exploited in the wild.
- How severe is CVE-2026-76726?
- High severity, with a CVSS score of 8.1, published 29 September 2026.
- Which products and versions are affected?
- HPE Networking Instant ON.
- Is there a fix for CVE-2026-76726?
- 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-2026-76726 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-76726?
- Check whether you run Hpe Networking Instant On. 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 authentication bypass vulnerability exists in the API endpoint of HPE Networking Instant ON, allowing unauthenticated remote attackers to circumvent network access controls. The vulnerability requires certain preconditions outside the attacker's control to be met. Successful exploitation grants unauthorized access to restricted network resources.
Affected products
- HPE Networking Instant ON
Timeline
- 2026-09-29: disclosed