CVE-2026-76726: high-severity vulnerability in Hewlett Packard Enterprise (HPE) Instant ON
Authentication Bypass Leading to Unauthorized Network Access in HPE Networking Instant ON API Endpoint
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.1epss 0.4%
exploitation probability
0.4%top 72% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Hewlett Packard Enterprise (HPE) · Instant ONRelated CVEs — Hewlett Packard Enterprise (HPE) Instant ON
In the same product, most dangerous first.
CVE-2026-76724CRITICALUnauthenticated Adjacent Command Injection Vulnerability in HPE Networking Instant ON APs Command Line Interface (CLI) Accessed by the PAPI ProtocolEPSS 1.0%CVE-2026-76727HIGHAuthenticated Command Injection Vulnerabilities in HPE Networking Instant ONEPSS 1.0%CVE-2026-76721CRITICALUnauthenticated Buffer Overflow Vulnerability leads to Remote Code Execution in HPE Networking Instant ON APsEPSS 0.6%CVE-2026-76722CRITICALUncontrolled Format String Vulnerabilities lead to Remote Code Execution or Denial-of-Service in HPE Networking Instant ON APsEPSS 0.5%CVE-2026-76728HIGHAuthenticated Server-Side Request Forgery Leading to Remote Code Execution in HPE Networking Instant ON APsEPSS 0.5%CVE-2026-76729MEDIUMAuthenticated Format String Vulnerability allows Memory Corruption in HPE Networking Instant ON API EndpointEPSS 0.4%