High [CVE-2026-58043] Unauthorized filesystem access due to Permission Model enforcement flaw
This high-severity Red Hat Linux advisory covers CVE-2026-58043.
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Summary
Unauthorized filesystem access due to Permission Model enforcement flaw. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-551. Red Hat lists fixing advisory RHSA-2026:48273 with package nodejs26-main-26.5.1-1.5.hum1, nodejs22-main-22.23.2-2.3.hum1, nodejs24-main-24.18.1-0.1.hum1.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- nodejs26-main-26.5.1-1.5.hum1
- nodejs22-main-22.23.2-2.3.hum1
- nodejs24-main-24.18.1-0.1.hum1
- RHSA-2026:48273
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Avoid enabling the Node.js Permission Model by not using the `--permission` flag when starting Node.js applications. This prevents the vulnerable enforcement mechanism from being active. Disabling the Permission Model may remove an intended security layer if your application relies on it for sandboxing.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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