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CVE-2026-18951

Odh-training-operator-rhel9: [trainer v2 security] trn-02: rhoai overlay aggregates trainjobs crud into standard edit clusterrole

8.8 High

A flaw was found in the Red Hat OpenShift AI (RHOAI) overlay for the training operator. The RHOAI overlay incorrectly aggregates trainjobs management permissions into the native Kubernetes edit ClusterRole. This allows any user with edit ClusterRole permissions in a namespace to create, modify, and delete TrainJobs. When combined with a separate vulnerability (TRN-01) that permits arbitrary pod configurations, a remote attacker with namespace editor privileges could exploit this to escalate privileges, potentially leading to arbitrary code execution.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.92%Up 0.3 points since Aug 11, 2026
90%50%10%1%

What each source reports

CVE List Score used 8.8

Odh-training-operator-rhel9: [trainer v2 security] trn-02: rhoai overlay aggregates trainjobs crud into standard edit clusterrole

A flaw was found in the Red Hat OpenShift AI (RHOAI) overlay for the training operator. The RHOAI overlay incorrectly aggregates trainjobs management permissions into the native Kubernetes edit ClusterRole. This allows any user with edit ClusterRole permissions in a namespace to create, modify, and delete TrainJobs. When combined with a separate vulnerability (TRN-01) that permits arbitrary pod configurations, a remote attacker with namespace editor privileges could exploit this to escalate privileges, potentially leading to arbitrary code execution.

Record
CVE-2026-18951
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-267, CWE-284
Updated
2026-11-02
EUVDEUVD-2026-55821 8.8

A flaw was found in the Red Hat OpenShift AI (RHOAI) overlay for the training operator. The RHOAI overlay incorrectly aggregates trainjobs management permissions into the native Kubernetes edit ClusterRole. This allows any user with edit ClusterRole permissions in a namespace to create, modify, and delete TrainJobs. When combined with a separate vulnerability (TRN-01) that permits arbitrary pod configurations, a remote attacker with namespace editor privileges could exploit this to escalate privileges, potentially leading to arbitrary code execution.

Record
EUVD-2026-55821
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-h7xh-qc2m-rc58 8.8

A flaw was found in the Red Hat OpenShift AI (RHOAI) overlay for the training operator. The RHOAI...

A flaw was found in the Red Hat OpenShift AI (RHOAI) overlay for the training operator. The RHOAI overlay incorrectly aggregates trainjobs management permissions into the native Kubernetes edit ClusterRole. This allows any user with edit ClusterRole permissions in a namespace to create, modify, and delete TrainJobs. When combined with a separate vulnerability (TRN-01) that permits arbitrary pod configurations, a remote attacker with namespace editor privileges could exploit this to escalate privileges, potentially leading to arbitrary code execution.

Record
GHSA-h7xh-qc2m-rc58
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-267, CWE-284
Updated
2026-11-02
NVD 8.8

A flaw was found in the Red Hat OpenShift AI (RHOAI) overlay for the training operator. The RHOAI overlay incorrectly aggregates trainjobs management permissions into the native Kubernetes edit ClusterRole. This allows any user with edit ClusterRole permissions in a namespace to create, modify, and delete TrainJobs. When combined with a separate vulnerability (TRN-01) that permits arbitrary pod configurations, a remote attacker with namespace editor privileges could exploit this to escalate privileges, potentially leading to arbitrary code execution.

Record
CVE-2026-18951
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-267, CWE-284
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-18951 is a high vulnerability (CVSS 8.8) in Red Hat Openshift Ai 3.3, published August 10, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.92%, the 60th percentile. No source names a fixed version.

References

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