CVE-2026-26318: systeminformation has Command Injection via Unsanitized `locate` Output in `versions()`

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-19 · updated 2026-07-15
Weakness: CWE-78

Description

systeminformation is a System and OS information library for node.js. Versions prior to 5.31.0 are vulnerable to command injection via unsanitized `locate` output in `versions()`. Version 5.31.0 fixes the issue.

Affected products

sebhildebrandt systeminformation: before 5.31.0 — fixed in 5.31.0

How to fix

Upgrade to a fixed version: sebhildebrandt systeminformation 5.31.0. Check the vendor advisory for mitigations.

References

https://github.com/sebhildebrandt/systeminformation/commit/b67d3715eec881038ccbaace2f2711419ac3e107
https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-5vv4-hvf7-2h46
https://access.redhat.com/security/cve/CVE-2026-26318
https://bugzilla.redhat.com/show_bug.cgi?id=2441124
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26318.json

Get alerted when CVE-2026-26318 or the next vulnerability affects your stack