CVE-2026-9589 Unblu Spark - Broken Access Control

Unblu inc. Unblu Spark 7.0 through 8.36.1-hotfix.0 contains a broken access control vulnerability caused by missing authorization checks in configuration cascade operations, letting authenticated remote attackers read and modify unauthorized configuration properties, exploit requires authenticated session.

CVSS base score 9.3 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Data Tampering, Information Disclosure
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published
20 October 2026
Updated
20 October 2026
Weakness
CWE-639

Vendor fix

Update to a version later than 8.36.1-hotfix.0 or the latest available version.

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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