CVE-2026-89060 Details
Description
A cross-namespace authorization flaw in multicluster-observability-addon allows a user with permission to modify a managed cluster’s ManagedClusterAddOn configuration to reference ClusterLogForwarder or OpenTelemetryCollector resources outside the permitted namespace. If those resources reference Secrets, the add-on may copy the referenced Secrets to the attacker-controlled managed cluster.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Sep 11, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-551 | Incorrect Behavior Order: Authorization Before Parsing and Canonicalization | [email protected] |
Affected Products
No affected product data is available for this CVE.
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 21, 2026 | CVE Modified | [email protected] |
| Sep 11, 2026 | CVE Modified | CISA-ADP |
| Sep 11, 2026 | CVE Modified | [email protected] |
| Sep 11, 2026 | CVE Modified | [email protected] |
| Sep 11, 2026 | CVE Modified | [email protected] |
| Sep 11, 2026 | New CVE Received | [email protected] |