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High8.2Red Hat Linux

High [CVE-2026-21884] @remix-run/react: React Router SSR XSS in ScrollRestoration

This high-severity Red Hat Linux advisory covers CVE-2026-21884 affecting Red Hat Ansible Automation Platform 2.6 for RHEL 9, Red Hat OpenShift AI 2.25, Red Hat OpenShift AI 3.3.

CVE-2026-21884 Published Jan 10, 2026
CVE-2026-21884
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

@remix-run/react: React Router SSR XSS in ScrollRestoration. Red Hat rates this important (CVSS 8.2).

Weakness: CWE-79. Affected package(s): rhoai/odh-mod-arch-model-registry-rhel9:1778666987, rhoai/odh-mod-arch-gen-ai-rhel9:1778473763, rhoai/odh-dashboard-rhel9:1779189627, ansible-automation-platform, automation-platform-ui, rhoai/odh-dashboard-rhel9:1772093424.

Resolved in Red Hat advisory RHSA-2026:19712 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Ansible Automation Platform 2.6 for RHEL 9; Red Hat OpenShift AI 2.25; Red Hat OpenShift AI 3.3.

Affected versions
  • rhoai/odh-mod-arch-model-registry-rhel9:1778666987
  • rhoai/odh-mod-arch-gen-ai-rhel9:1778473763
  • rhoai/odh-dashboard-rhel9:1779189627
  • ansible-automation-platform-26/gateway-rhel9:1772543959
  • automation-platform-ui-0:2.6.6-1.el9ap
  • rhoai/odh-dashboard-rhel9:1772093424
  • rhoai/odh-mod-arch-model-registry-rhel9:1772093498

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

Fixed versions
  • RHSA-2026:19712

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

Mitigation checklist

Recommended fix / mitigation
  • Update the affected package(s) to the fixed version shipped in RHSA-2026:19712 (`sudo dnf update` / `yum update`).

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

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