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3.6 Low

CVE-2026-106071 A flaw in Node.js Permission Model filesystem enforcement can grant access to paths that do not match a wildcard…

Description

A flaw in Node.js Permission Model filesystem enforcement can grant access to paths that do not match a wildcard `--allow-fs-read` or `--allow-fs-write` rule. When the requested path is shorter than the prefix of a wildcard grant, the radix tree lookup stops comparing early and treats the path as a match. For example, `--allow-fs-read=/etc/passwd.*` also allows reading `/etc/passwd`. This requires the wildcard grant to sit directly under the root of the permission tree, for example when it is the only grant for that scope. This is a different root cause from CVE-2026-58043. This vulnerability affects Node.js **26.x**.

Affected products and versions

Product Affected versions Fixed in
Node 26.12.0 No fix stated

References

Timeline

  1. Published
  2. Last modified

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