CVE-2026-25716
HIGH
MEDIUM
Priority: 0.01
BB Relevance:
64/100
Published: 2026-10-23
Modified: 2026-10-29
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
Low
UI:
None
AT:
None
VC:
None
VI:
Low
VA:
High
Description
Missing Authorization vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceUserManager) allows any authenticated user without special privileges to block or unblock arbitrary user accounts, including administrators. The REST endpoints /bs-usermanager/v1/block/create and /bs-usermanager/v1/block/delete call UserManager::blockUser() and UserManager::unblockUser(), which do not verify the permissions of the acting user. This allows locking out all administrators (denial of service) and lifting blocks imposed by administrators. This issue affects BlueSpice: from 5.0.0 before 5.1.11, from 5.2.0 before 5.2.7.
Weakness Classification (1)
Affected Software (1)
| Vendor | Product | Version |
|---|---|---|
| Hallo Welt! GmbH | BlueSpice | 5.0.0 < 5.1.11 |