Review reviewHigh

CVE-2026-26280

sebhildebrandt systeminformation, Red Hat Developer Hub

systeminformation is a System and OS information library for node.js. In versions prior to 5.30.8, a command injection vulnerability in the `wifiNetworks()` function allows an attacker to execute arbitrary OS commands via an unsanitized network interface parameter in the retry code path. In `lib/wifi.js`, the `wifiNetworks()` function sanitizes the `iface` parameter on the initial call (line 437). However, when the initial scan returns empty results, a `setTimeout` retry (lines 440-441) calls `getWifiNetworkListIw(iface)` with the **original unsanitized** `iface` value, which is passed dire...

CVSS: 7.8
EPSS: 1.23%
CISA KEV: Not listed
Published: 2026.02.20

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability1.23%

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: sebhildebrandt systeminformation, Red Hat Developer Hub
Affected versions: >= < 5.30.8, < 5.30.8
Fixed versions: 5.30.8

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that sebhildebrandt systeminformation, Red Hat Developer Hub and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-78