CVE-2026-25716 Hallo Welt! GmbH BlueSpice - Broken Access Control

Hallo Welt! GmbH BlueSpice 5.0.0 < 5.1.11 and 5.2.0 < 5.2.7 contains a broken access control caused by missing authorization checks in UserManager block/unblock REST endpoints, letting authenticated users block or unblock arbitrary accounts including administrators, exploit requires authentication without special privileges.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.18% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Denial Of Service, Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Published
23 October 2026
Updated
25 October 2026
Weakness
CWE-862

Vendor fix

Update to versions 5.1.11 or 5.2.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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