๐Ÿ›ก๏ธ CVE-2026-21715
๐ŸŸข CVSS 3.3 โ€” Low โœ… No Known Exploit NVD
3.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A flaw in Node.js Permission Model filesystem enforcement leaves `fs.realpathSync.native()` without the required read permission checks, while all comparable filesystem functions correctly enforce them. As a result, code running under `--permission` with restricted `--allow-fs-read` can still use `fs.realpathSync.native()` to check file existence, resolve symlink targets, and enumerate filesystem paths outside of permitted directories. This vulnerability affects **20.x, 22.x, 24.x, and 25.x** processes using the Permission Model where `--allow-fs-read` is intentionally restricted.

Details

Severity LOW
CVSS Score 3.3
CVSS Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE N/A
Public Exploit โœ… No
Source NVD
Published 2026-04-06
Updated 2026-06-02
Modified 2026-04-13
Fix URL N/A

Affected Packages

Software From version Fixed in
node โ€” โ€”
node-min โ€” โ€”
unknown โ€” โ€”

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