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Vulnerability record · CVE-2025-54882 · published 7 August 2025

CVE-2025-54882: Himmelblau-idm himmelblau insufficiently protected credentials vulnerability

Himmelblau Idm · Himmelblau

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.

7.1 CVSS 3.1 High EPSS 0.21% · top 89.6% CWE-522 · Insufficiently protected credentials
7.1CVSS 3.1 base score
0.21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/himmelblau-idm/himmelblau/commit/b562053df3dffb1dd9ab3d09af986886773be2ad Patch
https://github.com/himmelblau-idm/himmelblau/commit/faae58b0384aca8b21b4be5f1c507412eec3778a Patch
https://github.com/himmelblau-idm/himmelblau/releases/tag/0.9.22 Release Notes
https://github.com/himmelblau-idm/himmelblau/releases/tag/1.2.0 Release Notes
https://github.com/himmelblau-idm/himmelblau/security/advisories/GHSA-phfx-rjfw-wj83 ExploitVendor Advisory
https://github.com/himmelblau-idm/himmelblau/security/advisories/GHSA-phfx-rjfw-wj83 ExploitVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2025-54882), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.