Auth bypass in Red Hat Openshift Ai 2.25
CVE-2026-18941
A flaw was found in Feast and feast-operator. The default configuration for both the Feast SDK and the feast-operator is "no_auth," meaning no security manager is installed. This default allows unauthenticated and unauthorized access to feature-server, registry-server, and offline-server endpoints. A remote attacker, by exploiting this missing authentication, could achieve remote code execution (RCE) by storing a malicious User-Defined Function (UDF) on the feature-server, trigger a denial of service (DoS) by forcing re-materialization of all tenant features, and gain unauthorized access to cross-tenant data.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.008 (55.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.008 · change: +0.002
Affected products
- Red Hat Openshift Ai 2.25 — versions 1786110051
- Red Hat Openshift Ai 3.3 — versions 1786110033
- Red Hat Openshift Ai 3.4 — versions 1786107278
- Red Hat Openshift Ai (Rhoai)
Weakness classification (CWE)
References
- access.redhat.com/security/cve/CVE-2026-18941 (vdb-entry)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking)
- access.redhat.com/errata/RHSA-2026:53263 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:53261 (vendor-advisory)
- access.redhat.com/errata/RHSA-2026:53262 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-18941?
- CVE-2026-18941 is a high-severity vulnerability in Red Hat Openshift Ai 2.25, classified under Missing Authentication for Critical Function. CVSS score: 7.7/10. Published 2026-08-10.
- How severe is CVE-2026-18941?
- High severity. CVSS v3 base score is 7.7 out of 10.