Malware in tcb-web-images
Malware was discovered in the npm package tcb-web-images. Systems with this package installed or running are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- tcb-web-images
The npm package tcb-web-images was found to contain malware. According to the GitHub Advisory (GHSA-66p5-8752-xpg8), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends that all secrets and keys stored on affected computers be rotated immediately from a different, uncompromised system. While the package should be removed, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the compromise.\n\nThis is a critical supply chain incident affecting the npm ecosystem, with the potential for widespread impact on any systems that have installed or executed this package.
Indicators of compromise
- Packages
- tcb-web-images
Remediation
- Immediately isolate any system that has installed or run tcb-web-images
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the tcb-web-images package from all affected systems
- Perform a full security audit and malware scan of affected systems
- Review system logs for any suspicious activity or unauthorized access
- Consider the affected system fully compromised and plan for complete rebuild if critical infrastructure
Sources
- GitHub Advisory GHSA-66p5-8752-xpg8 · GitHub Advisory Database
Cite this entry
"Malware in tcb-web-images." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 5, 2026; last updated August 5, 2026. https://supplychainattack.org/incident/malware-in-tcb-web-images-1hs71o
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