CVE-2026-34397

MEDIUM

6.3

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.

Details CVE

Score CVSS v3.16.3

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Vecteur d'attaqueLOCAL

ComplexiteHIGH

Privileges requisLOW

Interaction utilisateurNONE

Publie4/1/2026

Derniere modification4/3/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-269

References

https://github.com/himmelblau-idm/himmelblau/releases/tag/2.3.9(security-advisories@github.com)

https://github.com/himmelblau-idm/himmelblau/releases/tag/3.1.1(security-advisories@github.com)

https://github.com/himmelblau-idm/himmelblau/security/advisories/GHSA-v7xx-7mqc-g835(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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