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CVE-2026-18982 Red Hat CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-10T21:17:21.833Z and has not been modified since then. The RHOAI training-operator vulnerability CVE-2026-18982 allows users with standard edit or admin roles in any Kubernetes namespace to escalate privileges by creating training jobs, potentially leading to impersonation of service accounts, access to the host filesystem, and arbitrary code execution. This issue arises from aggregating training job permissions onto native Kubernetes edit and admin ClusterRoles, combined with unrestricted PodTemplateSpec passthrough. Organizations should be aware of this vulnerability and take steps to mitigate it, especially those with users having edit or admin roles in namespaces. Evidence is based on official CVE and NVD records, as well as references from Red Hat's security advisories.

Vendor
Red Hat
Product
Red Hat OpenShift AI 2.25
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-10
Original CVE updated
2026-08-27
Advisory published
2026-08-10
Advisory updated
2026-08-27

Who should care

Organizations using the RHOAI training-operator in Kubernetes, particularly those with users having edit or admin roles in namespaces, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The RHOAI training-operator vulnerability CVE-2026-18982 allows users with standard edit or admin roles in any Kubernetes namespace to escalate privileges by creating training jobs. This can lead to impersonation of service accounts, access to the host filesystem, and potentially arbitrary code execution. The issue arises from aggregating training job permissions onto native Kubernetes edit and admin ClusterRoles, combined with unrestricted PodTemplateSpec passthrough.

Defensive priority

Organizations using the RHOAI training-operator in Kubernetes should prioritize patching and compensating controls to mitigate potential privilege escalation attacks.

Recommended defensive actions

  • Apply patches or updates to the RHOAI training-operator as recommended by the vendor
  • Implement compensating controls, such as restricting access to sensitive resources
  • Monitor for suspicious activity related to training jobs and service accounts
  • Review and restrict permissions for users with edit or admin roles in Kubernetes namespaces
  • Verify and enforce proper configuration of PodTemplateSpec

Evidence notes

The CVE-2026-18982 vulnerability allows users with standard edit or admin roles in any Kubernetes namespace to escalate privileges by creating training jobs, potentially leading to arbitrary code execution. Evidence is based on official CVE and NVD records, as well as references from Red Hat's security advisories.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-18982 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-18982

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-18982 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-18982

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.