What is CVE-2026-26318?

CVE-2026-26318 is a high-severity vulnerability in Sebhildebrandt Systeminformation, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-02-19.

How severe is CVE-2026-26318?

High severity. CVSS v3 base score is 8.8 out of 10.

RCE in Sebhildebrandt Systeminformation

CVE-2026-26318

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.000 (5.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Sebhildebrandt Systeminformation — versions < 5.31.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

https://github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-5vv4-hvf7-2h46 (x_refsource_CONFIRM)
https://github.com/sebhildebrandt/systeminformation/commit/b67d3715eec881038ccbaace2f2711419ac3e107 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-26318?: CVE-2026-26318 is a high-severity vulnerability in Sebhildebrandt Systeminformation, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-02-19.
How severe is CVE-2026-26318?: High severity. CVSS v3 base score is 8.8 out of 10.