Multicloud-operators-subscription: multicloud-operators-subscription: fetchchannelreferences honours channel.spec.secretref.namespace enabling cross-namespace secret exfiltration (Red Hat Red Hat Advanced Cluster Management for Kubernetes 2.11)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.48 % · percentile 42 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Awaiting Analysis
Description
A flaw was found in multicloud-operators-subscription. A privileged user, specifically a namespace administrator capable of creating Channel and Subscription resources, can exploit this vulnerability. By manipulating the Channel.Spec.SecretRef.Namespace field, the user can cause the system to copy sensitive Secret contents from other namespaces into their own, leading to information disclosure.
Weaknesses (CWE)
- CWE-639 — Authorization Bypass Through User-Controlled Key
References
- https://access.redhat.com/errata/RHSA-2026:60386
- https://access.redhat.com/errata/RHSA-2026:60387
- https://access.redhat.com/errata/RHSA-2026:60388
- https://access.redhat.com/errata/RHSA-2026:60389
- https://access.redhat.com/errata/RHSA-2026:60390
- https://access.redhat.com/errata/RHSA-2026:60391
- https://access.redhat.com/security/cve/CVE-2026-66878
- https://bugzilla.redhat.com/show_bug.cgi?id=2514226
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N | redhat |
| CVSS 3.1 | HIGH 7.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N | NVD · secalert@redhat.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-57059
- GCVE · GCVE-0-2026-66878
Affected products
| Product | Versions |
|---|---|
| Red Hat · Red Hat Advanced Cluster Management for Kubernetes 2.11 | unaffected 1787263584 < * |
| Red Hat · Red Hat Advanced Cluster Management for Kubernetes 2.13 | unaffected 1787263693 < * |
| Red Hat · Red Hat Advanced Cluster Management for Kubernetes 2.14 | unaffected 1787170830 < * |
| Red Hat · Red Hat Advanced Cluster Management for Kubernetes 2.15 | unaffected 1787240030 < * |
| Red Hat · Red Hat Advanced Cluster Management for Kubernetes 2.16 | unaffected 1787242321 < * |
| Red Hat · Red Hat Advanced Cluster Management for Kubernetes 2.17 | unaffected 1787242108 < * |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |