High [CVE-2026-23950] Arbitrary file overwrite via Unicode path collision race condition
This high-severity Red Hat Linux advisory covers CVE-2026-23950 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat OpenShift Dev Spaces 3.27.
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Summary
Arbitrary file overwrite via Unicode path collision race condition. Red Hat rates this important (CVSS 8.8).
Weakness: CWE-367. Affected package(s): devspaces/udi-rhel9:1774451954, rhtas/rekor-search-ui-rhel9:1770107452, rhtas/rekor-search-ui-rhel9:1770739056, linux-sgx.
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 OpenShift Dev Spaces 3.27; Red Hat Trusted Artifact Signer 1.2; and 17 more.
- devspaces/udi-rhel9:1774451954
- rhtas/rekor-search-ui-rhel9:1770107452
- rhtas/rekor-search-ui-rhel9:1770739056
- linux-sgx-0:2.26-7.el9
- linux-sgx-0:2.26-7.el10
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:18868
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- 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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