High8.2Red Hat Linux

High [CVE-2026-24842] Arbitrary file creation via path traversal bypass in hardlink security check

This high-severity Red Hat Linux advisory covers CVE-2026-24842 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7.

CVE-2026-24842 Published Jan 28, 2026

CVE-2026-24842

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Arbitrary file creation via path traversal bypass in hardlink security check. Red Hat rates this important (CVSS 8.2).

Weakness: CWE-59. Affected package(s): network-observability/network-observability-console-plugin-rhel9:1771227650, network-observability/network-observability-console-plugin-compat-rhel9:1771227610, eap7-wildfly, rhtas/rekor-search-ui-rhel9:1773308315, linux-sgx, devspaces/dashboard-rhel9:1774476526.

Resolved in Red Hat advisory RHSA-2026:18868 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7; Red Hat OpenShift Dev Spaces 3.27; and 7 more.

Affected versions

network-observability/network-observability-console-plugin-rhel9:1771227650
network-observability/network-observability-console-plugin-compat-rhel9:1771227610
eap7-wildfly-0:7.3.18-3.GA_redhat_00001.1.el7eap
rhtas/rekor-search-ui-rhel9:1773308315
linux-sgx-0:2.26-7.el9
linux-sgx-0:2.26-7.el10
devspaces/dashboard-rhel9:1774476526
devspaces/code-rhel9:1774448966

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

Fixed versions

RHSA-2026:18868

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-2026:18868 (`sudo dnf update` / `yum update`).

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

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