CVE-2026-50289: systeminformation is a System and OS information library for node.js

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HIGH 8.8UPGRADE

CVE-2026-50289 is a high-severity flaw (CVSS 8.8) affecting systeminformation. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

systeminformation is a System and OS information library for node.js. Prior to 5.31.7, networkInterfaces() on Linux is vulnerable to OS command injection through the Debian/Ubuntu interfaces(5) source directive because lib/network.js checkLinuxDCHPInterfaces() reads /etc/network/interfaces, extracts a source <path> token from file content, and interpolates it unquoted into cat ${file} 2> /dev/null | grep 'iface\|source' executed by execSync(cmd,

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	3.6% (top 11%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-07-17
Last modified	2026-10-24

Publisher (CNA): GitHub, Inc. · Vendor: systeminformation

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-17 20:17 UTCPublished CVE record published
2026-10-24 20:10 UTCUpdated Record last modified

systeminformation systeminformation UPGRADE

Affected: < 5.31.7

Fixed in: 5.31.7

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls systeminformation

2. UPGRADE to 5.31.7

npm install systeminformation@">=5.31.7"

Exact fixes by distribution

npm · systeminformation · FIXED · 5.31.7 · vulnerable: <= 5.31.6 · source

npm install systeminformation@">=5.31.7" npm ls systeminformation

Fedora 46 · conda · FIXED · 26.9.4-2.fc46 · FEDORA-2026-09931756f1 · source

sudo dnf upgrade --advisory=FEDORA-2026-09931756f1

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/sebhildebrandt/systeminformation/security/advisories/GHSA-5xpp-75jx-m839

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-50289?

systeminformation: upgrade to 5.31.7. Exact commands for each OS are on this page.

Is CVE-2026-50289 being exploited?

CVE-2026-50289 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-50289 affect?

CVE-2026-50289 affects systeminformation. Severity is high (CVSS 8.8). systeminformation is a System and OS information library for node.js. Prior to 5.31.7, networkInterfaces() on Linux is vulnerable to OS command injection through the Debian/Ubuntu interfaces(5) source directive because lib/network.js checkL

How urgent is CVE-2026-50289?

Priority 58/100. High severity; Public exploit reference

Software pages

Node.js vulnerabilities · Ubuntu vulnerabilities · Debian vulnerabilities

References

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