## systeminformation has prototype pollution in `networkStats()` via the interface name

- 種別: advisory
- 重大度: medium
- 関連技術: nodejs
- CVE: CVE-2026-116674
- 公開日時: 2026-10-28T21:13:32.000Z
- 情報源: GitHub Advisory Database (https://github.com/advisories/GHSA-7648-jmwf-vw7j)
- パーマリンク: https://vulnpulse.app/items/ghsa-ghsa-7648-jmwf-vw7j

影響: npm:systeminformation < 5.33.13 → 5.33.13
networkStats() keeps a per interface cache for computing rx_sec / tx_sec between calls. The cache is a plain JavaScript object and is indexed with the interface name the caller supplied. Passing the name __proto__ makes every cache write land on Object.prototype instead of the cache, polluting every object in the Node.js process. An application is affected if it passes untrusted input as the ifaces argument of si.networkStats() and runs on FreeBSD, OpenBSD or NetBSD. Details The vulnerable code…