What is GHSA-39w5-9x42-rwmr?

GHSA-39w5-9x42-rwmr is a security advisory published by GitHub Security Advisories with High severity. A flaw was found in multicluster-observability-addon. This vulnerability allows a managed-cluster...

Which CVE IDs does GHSA-39w5-9x42-rwmr cover?

GHSA-39w5-9x42-rwmr covers the following CVE IDs: CVE-2026-89060. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-39w5-9x42-rwmr?

GHSA-39w5-9x42-rwmr has a CVSS v3 base score of 7.7, published by GitHub Security Advisories.

GHSA-39w5-9x42-rwmrHighCVSS 7.7

A flaw was found in multicluster-observability-addon. This vulnerability allows a managed-cluster...

Vendor

GitHub Security Advisories

Published

September 11, 2026

Last Modified

September 11, 2026

🔗 CVE IDs covered (1)

CVE-2026-89060 →

📋 Description

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.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-89060
https://github.com/stolostron/multicluster-observability-addon/pull/644
https://access.redhat.com/security/cve/CVE-2026-89060
https://bugzilla.redhat.com/show_bug.cgi?id=2531596
https://github.com/advisories/GHSA-39w5-9x42-rwmr