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Medium6.5Red Hat Linux

Medium [CVE-2026-26996] Denial of Service via specially crafted glob patterns

This medium-severity Red Hat Linux advisory covers CVE-2026-26996 affecting Red Hat Enterprise Linux 1, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.

CVE-2026-26996 Published Feb 20, 2026
CVE-2026-26996
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Denial of Service via specially crafted glob patterns. Red Hat rates this moderate (CVSS 6.5).

Weakness: CWE-1333. Affected package(s): openshift4/ose-console-rhel9:1780365421, quay/quay-rhel9:1775069491, nodejs:20, nodejs:22, rhoai/odh-workbench-codeserver-datascience-cpu-py312-rhel9:1776336652, devspaces/openvsx-rhel9:1779528224.

Resolved in Red Hat advisory RHSA-2026:13508 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 1; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.

Affected versions
  • openshift4/ose-console-rhel9:1780365421
  • quay/quay-rhel9:1775069491
  • nodejs:20-8100020260414073138.489197e6
  • nodejs:22-9070020260401095228.rhel9
  • rhoai/odh-workbench-codeserver-datascience-cpu-py312-rhel9:1776336652
  • devspaces/openvsx-rhel9:1779528224
  • nodejs:20-9060020260422064119.rhel9
  • satellite/iop-advisor-frontend-rhel9:1781181673
  • org.keycloak-keycloak-parent
  • openshift4/ose-console-rhel9:1779874396
  • nodejs:20-9070020260409073121.rhel9
  • nodejs:22-9060020260409121057.rhel9

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

Fixed versions
  • RHSA-2026:13508

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-2026:13508 (`sudo dnf update` / `yum update`).

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

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