Low [CVE-2026-106073] Filesystem read permission bypass via fs.realpathSync
This low-severity Red Hat Linux advisory covers CVE-2026-106073; related products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.
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Summary
Filesystem read permission bypass via fs.realpathSync(). Red Hat rates this low (CVSS 3.3).
Weakness: CWE-425.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat package: nodejs22; and 2 more.
Affected products named by the advisory: Red Hat package: nodejs24; Red Hat package: nodejs26.
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 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 days ago·verify at source
Mitigation checklist
- If the Permission Model is unused, do not enable --permission. When --permission is required, avoid relying on fs.realpathSync() for security boundaries; use APIs that enforce permission checks and keep --allow-fs-read minimal (CME-1303: https://cmetaxonomy.org/entries/CME-1303.html). Apply OS-level confinement (SELinux, containers) as defense in depth (CME-301: https://cmetaxonomy.org/entries/CME-301.html; CME-702: https://cmetaxonomy.org/entries/CME-702.html).
Official advisory · high-confidence parse· fetched 2 days ago·verify at source
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