Malicious code in checkout-parameters (npm)
The npm package 'checkout-parameters' version 35.8.5 contains malicious code that downloads and executes a platform-specific native binary from obfuscated hosts during installation or require. The payload is saved to hidden paths on the host system, given executable permissions, and launched detached, enabling arbitrary code execution. The package uses evasion techniques such as runtime hostname reconstruction and obfuscated code to avoid detection. A sibling module mimics an analytics SDK but performs similar malicious actions. This results in arbitrary attacker-controlled code execution on the installer's machine.
AI Analysis
Technical Summary
The 'checkout-parameters' npm package version 35.8.5 includes malicious code that, upon installation or requiring the package, loads a script (_vendor.js) which downloads a native binary from obfuscated and dynamically reconstructed hostnames. The binary is saved to hidden system paths with executable permissions and executed detached from the installer process. The package also contains a related module (lib/telemetry.js) that performs similar actions under the guise of an analytics SDK, using string concatenation to evade static detection. This behavior allows arbitrary code execution controlled by an attacker on the host machine.
Potential Impact
Installing or requiring the affected package version results in arbitrary code execution on the host system, potentially allowing attackers to run any code with the privileges of the user installing the package. This can lead to system compromise, data theft, or further malicious activity.
Mitigation Recommendations
No official patch or remediation is currently documented. Users should avoid installing or requiring the 'checkout-parameters' package version 35.8.5. Verify package integrity and source before installation. Monitor for updates or advisories from the package maintainers or npm registry for remediation guidance. Consider removing the package if already installed.
Malicious code in checkout-parameters (npm)
Description
The npm package 'checkout-parameters' version 35.8.5 contains malicious code that downloads and executes a platform-specific native binary from obfuscated hosts during installation or require. The payload is saved to hidden paths on the host system, given executable permissions, and launched detached, enabling arbitrary code execution. The package uses evasion techniques such as runtime hostname reconstruction and obfuscated code to avoid detection. A sibling module mimics an analytics SDK but performs similar malicious actions. This results in arbitrary attacker-controlled code execution on the installer's machine.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The 'checkout-parameters' npm package version 35.8.5 includes malicious code that, upon installation or requiring the package, loads a script (_vendor.js) which downloads a native binary from obfuscated and dynamically reconstructed hostnames. The binary is saved to hidden system paths with executable permissions and executed detached from the installer process. The package also contains a related module (lib/telemetry.js) that performs similar actions under the guise of an analytics SDK, using string concatenation to evade static detection. This behavior allows arbitrary code execution controlled by an attacker on the host machine.
Potential Impact
Installing or requiring the affected package version results in arbitrary code execution on the host system, potentially allowing attackers to run any code with the privileges of the user installing the package. This can lead to system compromise, data theft, or further malicious activity.
Mitigation Recommendations
No official patch or remediation is currently documented. Users should avoid installing or requiring the 'checkout-parameters' package version 35.8.5. Verify package integrity and source before installation. Monitor for updates or advisories from the package maintainers or npm registry for remediation guidance. Consider removing the package if already installed.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-12583
- Osv Schema Version
- 1.7.4
- Ecosystems
- ["npm"]
Threat ID: 6a735733bf8831d53913d0fa
Added to database: 08/05/2026, 15:30:59 UTC
Last enriched: 08/05/2026, 16:03:04 UTC
Last updated: 09/07/2026, 22:23:33 UTC
Views: 16
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