CVE-2026-73137
Multicloud-operators-subscription: multicloud-operators-subscription: cross-namespace secret exfiltration via helmrelease.repo.secretref.namespace
- State
- Published
- Severity
- 7.7 High
- Published
- Aug 20, 2026
- Updated
- Sep 5, 2026
- Reserved
- Aug 11, 2026
Description
A flaw was found in the multicloud-operators-subscription component of Red Hat Advanced Cluster Management (RHACM). A tenant with HelmRelease create permissions can exploit this vulnerability by manipulating the `secretRef.Namespace` field. This allows the `GetSecret()` function in the HelmRelease controller to fetch sensitive credentials from any namespace, which are then sent to an attacker-controlled Helm repository. This can lead to the exfiltration of credentials from arbitrary namespace Secrets, resulting in information disclosure.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.7 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N | redhat |
Weaknesses
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
Affected Products
| Product | Versions |
|---|---|
Red Hat Advanced Cluster Management for Kubernetes 2.11Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.13Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.14Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.15Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.16Red Hat |
|
Red Hat Advanced Cluster Management for Kubernetes 2.17Red Hat |
|
References
- RHSA-2026:60386vendor-advisory
- RHSA-2026:60387vendor-advisory
- RHSA-2026:60388vendor-advisory
- RHSA-2026:60389vendor-advisory
- RHSA-2026:60390vendor-advisory
- RHSA-2026:60391vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-73137vdb-entry
- RHBZ#2514223issue-tracking
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