Malicious code in vybscan-testbed-inert-postinstall (npm)
The npm package 'vybscan-testbed-inert-postinstall' version 1.0.0 contains malicious code in its postinstall script. This script executes automatically during 'npm install' and collects the host's user identity and environment variables, which often include sensitive credentials and tokens. The collected data is then sent to an attacker-controlled remote endpoint without user consent or interaction.
AI Analysis
Technical Summary
The 'vybscan-testbed-inert-postinstall' npm package version 1.0.0 declares a postinstall lifecycle script that runs the 'id' command and reads the process environment variables. It then transmits this sensitive information, including host identity and environment variables, to a remote attacker-controlled server using 'curl'. This exfiltration occurs automatically during package installation, potentially exposing credentials, API keys, and tokens present in the environment.
Potential Impact
Sensitive information such as user identity, credentials, API keys, and tokens stored in environment variables can be exfiltrated to an attacker-controlled endpoint during package installation. This can lead to unauthorized access, credential compromise, and further attacks leveraging stolen secrets.
Mitigation Recommendations
No official patch or remediation is currently documented for this package version. Users should avoid installing 'vybscan-testbed-inert-postinstall' version 1.0.0. Review and restrict usage of untrusted npm packages, especially those with postinstall scripts. Monitor for updates or advisories from trusted sources regarding this package.
Malicious code in vybscan-testbed-inert-postinstall (npm)
Description
The npm package 'vybscan-testbed-inert-postinstall' version 1.0.0 contains malicious code in its postinstall script. This script executes automatically during 'npm install' and collects the host's user identity and environment variables, which often include sensitive credentials and tokens. The collected data is then sent to an attacker-controlled remote endpoint without user consent or interaction.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The 'vybscan-testbed-inert-postinstall' npm package version 1.0.0 declares a postinstall lifecycle script that runs the 'id' command and reads the process environment variables. It then transmits this sensitive information, including host identity and environment variables, to a remote attacker-controlled server using 'curl'. This exfiltration occurs automatically during package installation, potentially exposing credentials, API keys, and tokens present in the environment.
Potential Impact
Sensitive information such as user identity, credentials, API keys, and tokens stored in environment variables can be exfiltrated to an attacker-controlled endpoint during package installation. This can lead to unauthorized access, credential compromise, and further attacks leveraging stolen secrets.
Mitigation Recommendations
No official patch or remediation is currently documented for this package version. Users should avoid installing 'vybscan-testbed-inert-postinstall' version 1.0.0. Review and restrict usage of untrusted npm packages, especially those with postinstall scripts. Monitor for updates or advisories from trusted sources regarding this package.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- MAL-2026-10078
- Osv Schema Version
- 1.7.4
- Aliases
- []
- Ecosystems
- ["npm"]
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a50baad68715ace4358583e
Added to database: 07/10/2026, 09:26:05 UTC
Last enriched: 07/10/2026, 10:17:26 UTC
Last updated: 07/29/2026, 23:54:54 UTC
Views: 40
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