Security readout for executives and security teams
Plain-English summary
A namespace administrator in Red Hat Advanced Cluster Management can misuse a subscription service account with excessive permissions. This can turn limited tenant access into control over cluster-wide resources, potentially compromising applications, data, and cluster availability.
Executive priority
Treat this as an urgent privileged-access issue. Rapidly identify RHACM 2 environments, especially multi-tenant clusters, restrict the vulnerable workflow where feasible, and follow Red Hat remediation guidance. Potential impact spans confidentiality, integrity, and availability across the cluster.
Technical view
The multicloud-operators-subscription component permits a namespace admin to create Subscription custom resources that invoke a highly privileged service account. Wildcard RBAC allows cluster-scoped resource deployment, creating a confused-deputy privilege escalation path and potential arbitrary code execution. The supplied CVSS 3.1 score is 9.9 with changed security scope.
Likely exposure
Red Hat Advanced Cluster Management for Kubernetes 2 deployments using rhacm2/multicluster-operators-subscription-rhel9 may be exposed. The supplied sources do not identify affected or fixed version boundaries, so product presence and vendor guidance must determine exposure.
Exploitation context
Exploitation requires low-privileged namespace-admin access but no user interaction, according to the supplied CVSS vector. No supplied source reports active exploitation, and the bundle marks the CVE as absent from KEV. That does not prove exploitation is not occurring.
Researcher notes
This is a CWE-250 excessive-privilege and confused-deputy condition. Investigation should correlate Subscription custom resources, initiating namespace-admin identities, controller activity, privileged service-account use, and resulting cluster-scoped objects. Exact affected versions, patches, and exploitation telemetry are not provided in the bundle.
Mitigation direction
- Check Red Hat guidance for affected versions, updates, and supported mitigations.
- Restrict untrusted namespace administrators from creating or modifying Subscription custom resources until remediated.
- Review and reduce wildcard RBAC permissions assigned to subscription service accounts.
- Prioritize hub and spoke clusters hosting sensitive workloads or multiple tenants.
Validation and detection
- Inventory RHACM 2 installations and the multicluster-operators-subscription-rhel9 package.
- Identify subscription service accounts bound to wildcard RBAC permissions.
- Audit recent Subscription custom-resource creation or changes by namespace administrators.
- Review cluster-scoped resources created through subscription-related service accounts.
- Confirm vendor-prescribed remediation is applied across hub and spoke clusters.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-250: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupContainer behavior lookup
The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-72508 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.9 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H3.16redhatVulnerability scoring details
Base CVSS 3.1 score
9.9CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- Source timelineredhat
Reported to Red Hat.
- Source timelineredhat
Made public.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://access.redhat.com/security/cve/CVE-2026-72508CVE reference, redhat · vdb-entry, x_refsource_REDHAT
- RHBZ#2514225CVE reference, redhat · issue-tracking, x_refsource_REDHAT
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Execution with Unnecessary Privileges
Execution with Unnecessary Privileges represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.