CVE-2026-21711
Published: Mar 30, 2026
Modified: Apr 1, 2026
CVSS v3.0
5.3
Description
A flaw in Node.js Permission Model network enforcement leaves Unix Domain Socket (UDS) server operations without the required permission checks, while all comparable network paths correctly enforce them. As a result, code running under `--permission` without `--allow-net` can create and expose local IPC endpoints, allowing communication with other processes on the same host outside of the intended network restriction boundary. This vulnerability affects Node.js **25.x** processes using the Permission Model where `--allow-net` is intentionally omitted to restrict network access. Note that `--allow-net` is currently an experimental feature.
| Vendor | Product | Versions |
|---|---|---|
nodejs | node | affected 25.8.1 - <= 25.8.1affected 4.0 - < 4.*affected 5.0 - < 5.*affected 6.0 - < 6.*affected 7.0 - < 7.*+12 more versions |
CVSS v3.0 Details
CVSS v3.0 Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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