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Advisory severityCritical9.9Red Hat Linux

Critical [CVE-2026-18948] Unsafe dill deserialization of registry-stored UDFs — RCE on feature server and registry server

This critical-severity Red Hat Linux advisory covers CVE-2026-18948 affecting Red Hat OpenShift AI 2.25, Red Hat OpenShift AI 3.3, Red Hat OpenShift AI 3.4.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-18948 Source published Source updated

VulniPulse record published Record updated

CVE-2026-18948
Affected products & platforms
Red Hat LinuxUnclassified
Open source advisory

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Summary

Unsafe dill deserialization of registry-stored UDFs — RCE on feature server and registry server. Red Hat rates this critical (CVSS 9.9).

Red Hat lists fixing advisory RHSA-2026:53262 with package rhoai/odh-feature-server-rhel9:1787068065, rhoai/odh-feature-server-rhel9:1786110051, rhoai/odh-feature-server-rhel9:1786110033, rhoai/odh-feature-server-rhel9:1786107278.

Affected products named by the advisory: Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3; Red Hat OpenShift AI 3.4.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions
  • rhoai/odh-feature-server-rhel9:1787068065
  • rhoai/odh-feature-server-rhel9:1786110051
  • rhoai/odh-feature-server-rhel9:1786110033
  • rhoai/odh-feature-server-rhel9:1786107278
  • RHSA-2026:53262

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

Upgrade to a fixed release: rhoai/odh-feature-server-rhel9:1787068065, rhoai/odh-feature-server-rhel9:1786110051, rhoai/odh-feature-server-rhel9:1786110033, rhoai/odh-feature-server-rhel9:1786107278, RHSA-2026:53262. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Discussion(0)

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