BMC Helix Network Management before 26.3.01 Authentication Bypass via SAML Configuration

Advisories

BMC Helix Network Management before 26.3.01 Authentication Bypass via SAML Configuration

Severity: critical
Date: 10/15/2026
Affecting: BMC Helix Network Management >= 0, < 26.3.01
CVE: CVE-2026-111283
CWE: CWE-305 Authentication Bypass by Primary Weakness
CVSS: 9.5
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
References: https://docs.helixops.ai/bin/IT-Operations-Management/Operations-Management/BMC-Helix-Network-Management/NetworkManagement/Release-Notes/On-prem-Release-Notes/BMC-Helix-Network-Management-26-3-01-On-prem-Release-Notes/
Credit: Matthew Flanagan (Cybliminal)
Description: BMC Helix Network Management on-prem before 26.3.01 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as the local administrator with any password when SAML single sign-on is configured. Attackers can submit the administrator username with an arbitrary password on the web login page to obtain a SuperAdmin session, modify device credentials, run device commands, and alter audit records.

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