CVE-2026-89060

A flaw was found in multicluster-observability-addon. This vulnerability allows a managed-cluster identity to reference configuration resources outside its designated namespace. This can lead to the disclosure of sensitive hub Secrets to an attacker-controlled managed cluster.

Scoring

Severity
HIGH
CVSS base score
7.7
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
EPSS probability
0.23%
CWE
CWE-551
Published
2026-09-11
Last modified
2026-09-11

Weakness type

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