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CVE-2026-18947— Feast: feast: authorization bypass in /materialize endpoints enables dos via unauthorized full re-materialization

Quick assessment

Affected
Red Hat Red Hat OpenShift AI 2.25
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat OpenShift AI是美国Red Hat公司的一款混合云人工智能平台，为数据科学家和开发者提供跨混合云环境构建、开发、训练、部署、服务和监控机器学习（ML）模型及 AI 应用的全生命周期工具。 Red Hat OpenShift AI存在安全漏洞，该漏洞源于/materialize和/materialize-incremental端点存在授权绕过漏洞，攻击者通过发送省略feature_views字段的特制请求绕过权限检查，可能导致未经身份验证的远程攻击者或任意认证用户触发所有特征视图的

CVSS 8.5 · High EPSS 0.59% · P46

Affected Version Matrix 15

VendorProduct Version RangeStatus
Red Hat Red Hat OpenShift AI (RHOAI) any unaffected
any unaffected
any unaffected
any unaffected
any unaffected
any unaffected
any unaffected
any unaffected
… +5 more rows
Red Hat Red Hat OpenShift AI 2.25 1786110051< * unaffected
Red Hat Red Hat OpenShift AI 3.3 1786110033< * unaffected
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I. Basic Information for CVE-2026-18947

Vulnerability Information
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Vulnerability Title
Feast: feast: authorization bypass in /materialize endpoints enables dos via unauthorized full re-materialization
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Feast. An authorization bypass vulnerability exists in the /materialize and /materialize-incremental endpoints. By sending a specially crafted request that omits the feature_views field, an attacker can bypass intended permission checks. This allows an unauthenticated remote attacker, or any authenticated user, to trigger a full re-materialization of all feature views. The consequence is a Denial of Service (DoS) due to data corruption and significant resource consumption across all tenants.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat OpenShift AI 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat OpenShift AI是美国Red Hat公司的一款混合云人工智能平台，为数据科学家和开发者提供跨混合云环境构建、开发、训练、部署、服务和监控机器学习（ML）模型及 AI 应用的全生命周期工具。 Red Hat OpenShift AI存在安全漏洞，该漏洞源于/materialize和/materialize-incremental端点存在授权绕过漏洞，攻击者通过发送省略feature_views字段的特制请求绕过权限检查，可能导致未经身份验证的远程攻击者或任意认证用户触发所有特征视图的
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat OpenShift AI 2.25 1786110051 ~ * cpe:/a:redhat:openshift_ai:2.25::el9
Red Hat Red Hat OpenShift AI 3.3 1786110033 ~ * cpe:/a:redhat:openshift_ai:3.3::el9
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai
Red Hat Red Hat OpenShift AI (RHOAI) - cpe:/a:redhat:openshift_ai

II. Public POCs for CVE-2026-18947

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III. Intelligence Information for CVE-2026-18947

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Vendor Advisories for CVE-2026-18947 (4)

Same Patch Batch · Red Hat · 2026-08-10 · 28 CVEs total

CVE-2026-18948 9.9 CRITICAL Feast: feast: unsafe dill deserialization of registry-stored udfs — rce on feature server
CVE-2026-14450 9.9 CRITICAL Maas-billing: maas api: privilege escalation via forged http headers due to missing authen
CVE-2026-18950 8.8 HIGH Odh-dashboard: odh-dashboard: confused-deputy privilege escalation via unchecked roleref i
CVE-2026-18949 8.8 HIGH Odh-dashboard: odh-dashboard: clusterrole grants cluster-wide crud on secrets and rbac man
CVE-2026-18951 8.8 HIGH Odh-training-operator-rhel9: [trainer v2 security] trn-02: rhoai overlay aggregates trainj
CVE-2026-18617 8.8 HIGH Data-science-pipelines-operator: dspo: mysql dsn parameter injection via customextraparams
CVE-2026-18982 8.8 HIGH Odh-training-operator-rhel9: rhoai fork aggregates training job create onto native edit/ad
CVE-2026-18608 8.7 HIGH Data-science-pipelines-operator: dspo: operator clusterrole grants pods/exec:*, kubeflow.o
CVE-2026-71576 8.5 HIGH Multicluster-global-hub: multicluster-global-hub: manager trusts self-asserted evt.source(
CVE-2026-15467 8.1 HIGH Trustyai-service-operator: trustyai-service-operator: lmevaljob sidecar containers bypass
CVE-2026-15581 8.0 HIGH Trustyai-service-operator: trustyai-service-operator: tas internal service bypasses kube-r
CVE-2026-63622 7.8 HIGH Libvirt: swtpm privilege escalation via symlink following
CVE-2026-18941 7.7 HIGH Feast: feast-operator: feast: default authentication mode is no_auth — shared multi-tenant
CVE-2026-18621 7.6 HIGH Data-sciences-pipeline: dsp: v1 argo template path accepts arbitrary workflow spec, bypass
CVE-2026-19387 7.6 HIGH Gstreamer: gstreamer1-plugins-bad-free: gstreamer: heap out-of-bounds write in adpcmdec im
CVE-2026-18611 7.5 HIGH Data-science-pipelines-operator: dspo: cryptographically weak secret generation (math/rand
CVE-2026-18618 7.5 HIGH Ml-metdata: bundled grpc 1.46.3 (2022) with published http/2 dos cves — directly reachable
CVE-2026-19389 7.1 HIGH Gstreamer: gstreamer1-plugins-ugly-free: gstreamer: integer overflow/underflow in asfdemux
CVE-2026-18620 7.1 HIGH Data-sciences-pipeline: user-controlled serviceaccount for workflow pods without authoriza
CVE-2026-19278 6.8 MEDIUM Stackrox: stackrox: privilege escalation via unanchored regular expressions in auth m2m ro

Showing top 20 of 28 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Red Hat OpenShift AI 2.25
Same vendor: Red Hat

V. Comments for CVE-2026-18947

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