9.9
Critical
CVE-2026-18948 A flaw was found in Feast
Description
A flaw was found in Feast. The system improperly deserializes user-defined functions (UDFs) stored in its registry, which are serialized using the 'dill' library. This allows a remote attacker to store a malicious UDF, leading to unauthenticated arbitrary code execution on the feature server in default configurations. An authenticated attacker can also achieve arbitrary code execution on the registry server by bypassing authorization checks during deserialization. This vulnerability can result in cross-tenant data access and lateral movement within the system.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Red Hat OpenShift AI (RHOAI) | Versions not published | |
| Red Hat OpenShift AI 3.3 1786110033 | earliest → < 1786110033 | 1786110033 |
| Red Hat OpenShift AI 2.25 1786110051 | earliest → < 1786110051 | 1786110051 |
| Red Hat OpenShift AI 3.4 1787068065 | earliest → < 1787068065 | 1787068065 |
References
- RHSA-2026:53261 access.redhat.com
- RHSA-2026:53262 access.redhat.com
- RHSA-2026:53263 access.redhat.com
- RHSA-2026:60520 access.redhat.com
- access.redhat.com access.redhat.com
- RHBZ#2511167 bugzilla.redhat.com
Timeline
- Published
- Last modified
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