Description
yargs-parser could be tricked into adding or modifying properties of Object.prototype using a "__proto__" payload.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | yargs-parser | All versions prior to version 18.1.1 and patches at 13.1.2 and 15.0.1 | — |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | node-yargs-parser | 18.1.1-1 | — |
| Debian 13 | node-yargs-parser | 18.1.1-1 | — |
| Debian 12 | node-yargs-parser | 18.1.1-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | node-yargs-parser | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | nodejs +3 | 1:10.23.1-1.module+el8.3.0+9502+012d8a97 | RHSA-2021:0548, RHSA-2020:5499 |
| RHEL 8 | nodejs-nodemon | 1.18.3-1.module+el8.1.0+3369+37ae6a45 | RHSA-2021:0548, RHSA-2020:5499 |
| RHEL 8 | nodejs-packaging | 17-3.module+el8.1.0+3369+37ae6a45 | RHSA-2021:0548, RHSA-2020:5499 |
| RHEL 8 | npm | 1:6.14.8-1.12.19.1.1.module+el8.3.0+8851+b7b41ca0 | RHSA-2021:0548, RHSA-2020:5499 |
| RHEL 3 | rh-nodejs10-nodejs +2 | 10.23.1-2.el7 | RHSA-2021:0521 |
| RHEL 3 | rh-nodejs10-npm | 6.14.10-10.23.1.2.el7 | RHSA-2021:0521 |
| RHEL 3 | rh-nodejs12-nodejs +2 | 12.19.1-2.el7 | RHSA-2020:5305 |
| RHEL 3 | rh-nodejs12-npm | 6.14.8-12.19.1.2.el7 | RHSA-2020:5305 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | nodejs-nodemon | 1.18.3-1.module_el8.3.0+2023+d2377ea3 | ALSA-2021:0548, ALSA-2020:5499 |
| AlmaLinux 8 | nodejs-packaging | 17-3.module_el8.3.0+2023+d2377ea3 | ALSA-2021:0548, ALSA-2020:5499 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | nodejs-nodemon | 1.18.3-1.module+el8.3.0+101+f84c7154 | RLSA-2021:0548, RLSA-2020:5499 |
| Rocky Linux 8 | nodejs-packaging | 17-3.module+el8.3.0+101+f84c7154 | RLSA-2021:0548, RLSA-2020:5499 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | nodejs +3 | 1:10.23.1-1.module+el8.3.0+9642+87902f83 | ELSA-2021-0548 |
| Oracle Linux 8 | nodejs-nodemon | 1.18.3-1.module+el8.1.0+5392+4d6b561f | ELSA-2021-0548 |
| Oracle Linux 8 | nodejs-packaging | 17-3.module+el8.1.0+5392+4d6b561f | ELSA-2021-0548 |
| Oracle Linux 8 | npm | 1:6.14.10-1.10.23.1.1.module+el8.3.0+9642+87902f83 | ELSA-2021-0548 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| npm | yargs-parser | >= 6.0.0, < 13.1.2 | 13.1.2 | GHSA-p9pc-299p-vxgp |
| npm | yargs-parser | >= 14.0.0, < 15.0.1 | 15.0.1 | GHSA-p9pc-299p-vxgp |
| npm | yargs-parser | >= 16.0.0, < 18.1.1 | 18.1.1 | GHSA-p9pc-299p-vxgp |
| npm | yargs-parser | < 5.0.1 | 5.0.1 | GHSA-p9pc-299p-vxgp |
Advisories 11
- ALSA-2020:5499 Moderate: nodejs:12 security and bug fix update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2021:0548 Moderate: nodejs:10 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2021:0548 Red Hat Security Advisory: nodejs:10 security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2021:0521 Red Hat Security Advisory: rh-nodejs10-nodejs security update Red Hat Security Advisories (RHSA) · Oct 14, 2026
- RHSA-2020:5499 Red Hat Security Advisory: nodejs:12 security and bug fix update Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RHSA-2020:5305 Red Hat Security Advisory: rh-nodejs12-nodejs security update Red Hat Security Advisories (RHSA) · Oct 13, 2026
- RLSA-2021:0548 Moderate: nodejs:10 security update Rocky Linux Security Advisories · Feb 4, 2026
- RLSA-2020:5499 Moderate: nodejs:12 security and bug fix update Rocky Linux Security Advisories · Feb 4, 2026
- WID-SEC-2022-2133 JFrog Artifactory: Mehrere Schwachstellen in Drittanbieter-Komponenten BSI CERT-Bund (WID) · Nov 18, 2025
- WID-SEC-2023-1599 IBM Security Guardium: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 29, 2023
- ELSA-2021-0548 Moderate: nodejs:10 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Feb 20, 2021