CVE record · CVE-2026-18947

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

CVSS 8.5 HighEPSS 0.0059 · 48th percentile

Published by the CVE Program (CNA: redhat) at 10 Aug 2026, 20:44 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Red Hat	Red Hat OpenShift AI 2.25 Package name: rhoai/odh-feature-server-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1786110051 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.3 Package name: rhoai/odh-feature-server-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1786110033 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI 3.4 Package name: rhoai/odh-feature-server-rhel9 https://catalog.redhat.com/software/containers/	unaffected 1791863220 to before * rpm Other versions: affected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-pipeline-runtime-datascience-cpu-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-pipeline-runtime-pytorch-cuda-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-pipeline-runtime-pytorch-llmcompressor-cuda-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-pipeline-runtime-pytorch-rocm-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-pipeline-runtime-tensorflow-cuda-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-pipeline-runtime-tensorflow-rocm-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-workbench-codeserver-datascience-cpu-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-workbench-jupyter-datascience-cpu-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-workbench-jupyter-pytorch-cuda-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-workbench-jupyter-pytorch-llmcompressor-cuda-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-workbench-jupyter-pytorch-rocm-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-workbench-jupyter-tensorflow-cuda-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected
Red Hat	Red Hat OpenShift AI (RHOAI) Package name: rhoai/odh-workbench-jupyter-tensorflow-rocm-py312-rhel9 https://access.redhat.com/downloads/content/package-browser/	No versions given Other versions: unaffected

Identifiers: CVE-2026-18947
CNA: redhat
Weakness (CWE): CWE-862
Tags: Red Hat OpenShift AI 2.25
Red Hat OpenShift AI 3.3
Red Hat OpenShift AI 3.4
Red Hat OpenShift AI (RHOAI)
Broken access control
Published: 10 Aug 2026
Updated: 19 Oct 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
8.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:L	CNA (redhat)

CISA KEV Not listed.
EPSS 0.0059, the 48th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 10 Aug 2026. New records show when each source confirmed them.

Sources

References from the CNA

access.redhat.com/errata/RHSA-2026:53261 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:53263 vendor-advisoryredhat
access.redhat.com/errata/RHSA-2026:84734 vendor-advisoryredhat
access.redhat.com/security/cve/CVE-2026-18947 vdb-entryredhat
bugzilla.redhat.com/show_bug.cgi?id=2511164 issue-trackingredhat

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.