Description
A flaw in Node.js Permission API can cause a local server to be started (via a Unix domain socket), even without the `--allow-net` permission.
This vulnerability affects one supported release line: **Node.js 26**.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| nodejs | node | 26.3.0 – ≤ 26.3.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | nodejs | No fix yet | — |
| Ubuntu 26.04 LTS | nodejs | No fix yet | — |
| Ubuntu 25.10 | nodejs | No fix yet | — |
| Ubuntu 24.04 LTS | nodejs | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | nodejs | No fix yet | — |
| Ubuntu Pro 20.04 LTS | nodejs | No fix yet | — |
| Ubuntu Pro 18.04 LTS | nodejs | No fix yet | — |
| Ubuntu Pro 16.04 LTS | nodejs | No fix yet | — |
| Ubuntu Pro 14.04 LTS | nodejs | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Hardened Images 1 | nodejs20 +6 | 20.20.2-1.hum1 | RHSA-2026:9455 |
| Red Hat Hardened Images 1 | nodejs20-npm | 10.8.2-1.20.20.2.1.hum1 | RHSA-2026:9455 |
| Red Hat Hardened Images 1 | nodejs22 +6 | 22.23.1-2.hum1 | RHSA-2026:35272 |
| Red Hat Hardened Images 1 | nodejs22-npm | 10.9.8-1.22.23.1.2.hum1 | RHSA-2026:35272 |
| Red Hat Hardened Images 1 | nodejs24 +6 | 24.18.0-0.2.hum1 | RHSA-2026:34478 |
| Red Hat Hardened Images 1 | nodejs24-npm | 11.16.0-1.24.18.0.0.2.hum1 | RHSA-2026:34478 |
| Red Hat Hardened Images 1 | nodejs25 +6 | 25.9.0-1.1.hum1 | RHSA-2026:7378 |
| Red Hat Hardened Images 1 | nodejs25-npm | 11.12.1-1.25.9.0.1.1.hum1 | RHSA-2026:7378 |
| Red Hat Hardened Images 1 | nodejs26 +6 | 26.4.0-1.3.hum1 | RHSA-2026:33866 |
| Red Hat Hardened Images 1 | nodejs26-npm | 11.17.0-1.26.4.0.1.3.hum1 | RHSA-2026:33866 |
| Red Hat Hardened Images 1 | v8-13.6-devel | 13.6.233.17-1.24.18.0.0.2.hum1 | RHSA-2026:34478 |
| Red Hat Hardened Images 1 | v8-14.6-devel | 14.6.202.34-1.26.4.0.1.3.hum1 | RHSA-2026:33866 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | nodejs-nodemon | 3.1.14-1.module+el9.8.0+40263+faa47049 | RLSA-2026:97855 |
| Rocky Linux 9 | nodejs-packaging | 2021.06-6.module+el9.7.0+40052+e32ea525 | RLSA-2026:97855 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | nodejs26 | 26.3.1-1.1 | openSUSE-SU-2026:11110-1 |
Advisories 8
- WID-SEC-2026-2004 Node.js: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2026
- RLSA-2026:97855 Important: nodejs:26 security update Rocky Linux Security Advisories · Nov 11, 2026
- RHSA-2026:7378 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- RHSA-2026:35272 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- RHSA-2026:34478 Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- RHSA-2026:33866 Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update Red Hat Security Advisories (RHSA) · Oct 20, 2026
- RHSA-2026:9455 Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update Red Hat Security Advisories (RHSA) · Oct 19, 2026
- openSUSE-SU-2026:11110-1 nodejs26-26.3.1-1.1 on GA media SUSE / openSUSE Security Updates · Jun 24, 2026