Azure
CVE-2026-31957
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
Lifecycle Timeline
2DescriptionGitHub Advisory
Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From 3.0.0 to before 3.1.0, if Himmelblau is deployed without a configured tenant domain in himmelblau.conf, authentication is not tenant-scoped. In this mode, Himmelblau can accept authentication attempts for arbitrary Entra ID domains by dynamically registering providers at runtime. This behavior is intended for initial/local bootstrap scenarios, but it can create risk in remote authentication environments. This vulnerability is fixed in 3.1.0.
AnalysisAI
Default password in Himmelblau Azure Entra ID suite 3.0.0-3.0.x. CVSS 10.0.
Technical ContextAI
CWE-1188.
Affected ProductsAI
Himmelblau 3.0.0-3.0.x
RemediationAI
Update to 3.1.0. Configure password.
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