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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-34397 Detail

Description

Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From versions 2.0.0-alpha to before 2.3.9 and 3.0.0-alpha to before 3.1.1, there is a conditional local privilege escalation vulnerability in an edge-case naming collision. Only authenticated himmelblau users whose mapped CN/short name exactly matches a privileged local group name (e.g., "sudo", "wheel", "docker", "adm") can cause the NSS module to resolve that group name to their fake primary group. If the system uses NSS results for group-based authorization decisions (sudo, polkit, etc.), this can grant the attacker the privileges of that group. This issue has been patched in versions 2.3.9 and 3.1.1.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/himmelblau-idm/himmelblau/releases/tag/2.3.9 GitHub, Inc.
https://github.com/himmelblau-idm/himmelblau/releases/tag/3.1.1 GitHub, Inc.
https://github.com/himmelblau-idm/himmelblau/security/advisories/GHSA-v7xx-7mqc-g835 GitHub, Inc.

Weakness Enumeration

CWE-ID CWE Name Source
CWE-269 Improper Privilege Management GitHub, Inc.  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-34397
NVD Published Date:
04/01/2026
NVD Last Modified:
04/01/2026
Source:
GitHub, Inc.