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CVE-2026-50289

Systeminformation command injection

8.8 HIGHPublic exploitEPSS 3.56%
  1. Published17 Jul 2026

Description

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, util.execOptsLinux), allowing a path containing shell metacharacters to execute commands in any process that calls networkInterfaces(), including via getStaticData() and getAllData(). This issue is fixed in version 5.31.7.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Systeminformation< 5.31.7

Remediation

Fixed in
Systeminformation≥ 5.31.7

References

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Frequently asked

Is CVE-2026-50289 being actively exploited?

CVE-2026-50289 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 3.56%.

How severe is CVE-2026-50289?

CVE-2026-50289 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 3.56% probability of exploitation.

Which products are affected by CVE-2026-50289?

Affected products include Systeminformation.

How do I fix CVE-2026-50289?

Upgrade affected software to a fixed version, for example Systeminformation 5.31.7 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-50289 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.