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Fencer Vulns
medium 5.5

CVE-2026-18942 json

Feast-operator: feast: feast apply cronjob runs user python with feature-server sa — tenant code to sa token escalation

published 2026-08-10 2 mo ago modified 2026-11-09 2 h ago also EUVD-2026-55816

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

A flaw was found in the Feast operator. A malicious tenant could inject arbitrary code into their feature repository. This code would be executed by an automated process with elevated privileges, allowing the tenant to steal sensitive credentials. This could lead to a direct escalation of privileges, granting the tenant administrative control over the Kubernetes cluster.

Patch / fix

  • Red Hat Red Hat OpenShift AI 2.25 1786110051
  • Red Hat Red Hat OpenShift AI 3.4 1786107278

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-18942 updated cvss 5.5

feast-operator: Feast: feast apply CronJob runs user Python with feature-server SA — tenant code to SA token escalation

  • Red Hat OpenShift AI 2.25 rhoai/odh-feature-server-rhel9 1786110051
    fixed: vendor fix RHSA-2026:53261
  • Red Hat OpenShift AI 3.4 rhoai/odh-feature-server-rhel9 1786107278
    fixed: vendor fix RHSA-2026:53262
  • Red Hat OpenShift AI (RHOAI) rhoai/odh-pipeline-runtime-pytorch-cuda-py312-rhel9, rhoai/odh-pipeline-runtime-pytorch-rocm-py312-rhel9, rhoai/odh-workbench-jupyter-pytorch-cuda-py312-rhel9, rhoai/odh-workbench-jupyter-pytorch-rocm-py312-rhel9, rhoai/odh-pipeline-runtime-datascience-cpu-py312-rhel9, rhoai/odh-pipeline-runtime-tensorflow-cuda-py312-rhel9, +7 more Red Hat OpenShift AI 2.25 rhoai/odh-rhel9-operator 1786112809, rhoai/odh-dashboard-rhel9 1785940823, rhoai/odh-operator-bundle 1786113363, rhoai/odh-caikit-nlp-rhel9 1785186995, rhoai/odh-ta-lmes-job-rhel9 1785187011, rhoai/odh-feast-operator-rhel9 1786110116, +19 more Red Hat OpenShift AI 3.4 rhoai/odh-trainer-rhel9 1784039162, rhoai/odh-eval-hub-rhel9 1786058973, rhoai/odh-maas-api-rhel9 1785850409, rhoai/odh-rhel9-operator 1786123541, rhoai/odh-dashboard-rhel9 1786109665, rhoai/odh-operator-bundle 1786124236, +30 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 mo ago

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:L

Affected products

  • Red Hat Red Hat OpenShift AI 2.25
  • Red Hat Red Hat OpenShift AI 3.4
  • Red Hat Red Hat OpenShift AI (RHOAI)

Classification

Weakness
  • CWE-250 Execution with Unnecessary Privileges
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.