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High7.5Red Hat Linux

High [CVE-2026-1528] Denial of Service via crafted WebSocket frame with large length

This high-severity Red Hat Linux advisory covers CVE-2026-1528 affecting Cryostat 4 on RHEL 9, Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 8.

CVE-2026-1528 Published Mar 12, 2026
CVE-2026-1528
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Denial of Service via crafted WebSocket frame with large length. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-248. Affected package(s): cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996, rhoai/odh-dashboard-rhel8:1774282136, nodejs:22, cryostat/cryostat-openshift-console-plugin-rhel9:4.2.0, cluster-observability-operator/logging-console-plugin-pf5-rhel9:1782840539, rhdh/rhdh-hub-rhel9:1776784286.

Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Cryostat 4 on RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.6 Extended Update Support; and 8 more.

Affected versions
  • cluster-observability-operator/troubleshooting-panel-console-plugin-pf6-rhel9:1782839996
  • rhoai/odh-dashboard-rhel8:1774282136
  • nodejs:22-9070020260401095228.rhel9
  • cryostat/cryostat-openshift-console-plugin-rhel9:4.2.0-9
  • cluster-observability-operator/logging-console-plugin-pf5-rhel9:1782840539
  • rhdh/rhdh-hub-rhel9:1776784286
  • devspaces/code-rhel9:1779814592
  • nodejs:24-9070020260402152654.rhel9
  • nodejs:22-8100020260331102257.6d880403
  • cryostat/cryostat-rhel9:4.2.0-9
  • openshift-pipelines/pipelines-console-plugin-rhel9:1779910201
  • rhdh/rhdh-hub-rhel9:1777903262

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

Fixed versions
  • RHSA-2026:13826

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-2026:13826 (`sudo dnf update` / `yum update`).

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

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