Malware in @helpcentre/tesco-help
The npm package @helpcentre/tesco-help contains malware that grants full system compromise to an outside entity. All systems with this package installed should be considered fully compromised and all secrets and keys rotated immediately from a different computer.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @helpcentre/tesco-help
The npm package @helpcentre/tesco-help has been identified as containing malware. According to the GitHub Advisory (GHSA-5cff-qhhv-cxxw), any computer that has 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 initial compromise, given that the attacker may have gained full control of the system.\n\nAffected users should treat any system that has run this package as potentially containing persistent malware and take appropriate incident response measures.
Indicators of compromise
- Packages
- @helpcentre/tesco-help
Remediation
- Immediately remove the @helpcentre/tesco-help package from all systems
- Rotate all secrets, API keys, credentials, and authentication tokens from a different, uncompromised computer
- Treat any system that installed or ran this package as fully compromised and perform forensic analysis
- Consider rebuilding affected systems from clean media if possible
- Monitor for any unauthorized access or activity on accounts that may have been exposed
- Check for persistence mechanisms and additional malware that may have been installed
Sources
- GitHub Advisory GHSA-5cff-qhhv-cxxw · GitHub Advisory Database
Cite this entry
"Malware in @helpcentre/tesco-help." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 25, 2026; last updated June 25, 2026. https://supplychainattack.org/incident/malware-in-helpcentre-tesco-help-1qzv60
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