CVE-2025-54882

Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. In versions 0.8.0 through 0.9.21 and 1.0.0-beta through 1.1.0, Himmelblau stores the cloud TGT received during logon in the Kerberos credential cache. The created credential cache collection and received credentials are stored as world readable. This is fixed in versions 0.9.22 and 1.2.0. To work around this issue, remove all read access to Himmelblau caches for all users except for owners.

• CWE-522

• https://github.com/himmelblau-idm/himmelblau/commit/b562053df3dffb1dd9ab3d09af986886773be2adPatch
• https://github.com/himmelblau-idm/himmelblau/commit/faae58b0384aca8b21b4be5f1c507412eec3778aPatch
• https://github.com/himmelblau-idm/himmelblau/releases/tag/0.9.22Release Notes
• https://github.com/himmelblau-idm/himmelblau/releases/tag/1.2.0Release Notes
• https://github.com/himmelblau-idm/himmelblau/security/advisories/GHSA-phfx-rjfw-wj83Exploit, Vendor Advisory
• https://github.com/himmelblau-idm/himmelblau/security/advisories/GHSA-phfx-rjfw-wj83Exploit, Vendor Advisory

Published

Aug 7, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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