sebhildebrandt systeminformation up to 5.30.x versions os command injection

Summaryinfo

A vulnerability was found in sebhildebrandt systeminformation up to 5.30.x. It has been rated as critical. The impacted element is the function versions. This manipulation causes os command injection. The identification of this vulnerability is CVE-2026-26318. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in sebhildebrandt systeminformation up to 5.30.x. Affected by this vulnerability is the function versions. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-26318 since 02/13/2026. The exploitation appears to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 318409 (Linux Distros Unpatched Vulnerability : CVE-2026-26318), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.31.0 eliminates this vulnerability. Applying the patch b67d3715eec881038ccbaace2f2711419ac3e107 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (318409). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• sebhildebrandt

Name

• systeminformation

Version

• 5.0
• 5.1
• 5.2
• 5.3
• 5.4
• 5.5
• 5.6
• 5.7
• 5.8
• 5.9
• 5.10
• 5.11
• 5.12
• 5.13
• 5.14
• 5.15
• 5.16
• 5.17
• 5.18
• 5.19
• 5.20
• 5.21
• 5.22
• 5.23
• 5.24
• 5.25
• 5.26
• 5.27
• 5.28
• 5.29
• 5.30

License

• open-source

Website

• Product: https://github.com/sebhildebrandt/systeminformation/

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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