Malware in @zannstore/baileys
Malware was discovered in the npm package @zannstore/baileys. Any computer with this package installed or running should be considered fully compromised, requiring immediate rotation of all secrets and keys from a different system.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @zannstore/baileys
A malware incident was identified in the npm package @zannstore/baileys, published via GitHub Advisory GHSA-vw26-8qc4-8hmg on July 29, 2026.\n\nAccording to the advisory, any computer that has this package installed or running should be considered fully compromised. The advisory recommends that all secrets and keys stored on affected computers be rotated immediately from a different, uncompromised system.\n\nWhile the package should be removed, the advisory notes that because full control of the computer may have been given to an outside entity, there is no guarantee that removing the package alone will remove all malicious software resulting from the installation.\n\nThis represents a critical supply chain compromise affecting all users of the @zannstore/baileys package.
Indicators of compromise
- Packages
- @zannstore/baileys
Remediation
- Immediately remove the @zannstore/baileys package from all affected systems
- Rotate all secrets, API keys, credentials, and authentication tokens from a different, uncompromised computer
- Assume full system compromise and conduct a thorough security audit of affected machines
- Monitor affected systems for signs of unauthorized access or persistence mechanisms
- Consider rebuilding or reimaging affected systems if possible to ensure complete removal of malicious software
- Review access logs and audit trails for any unauthorized activity during the period the package was installed
Sources
- GitHub Advisory GHSA-vw26-8qc4-8hmg · GitHub Advisory Database
Cite this entry
"Malware in @zannstore/baileys." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 29, 2026; last updated July 29, 2026. https://supplychainattack.org/incident/malware-in-zannstore-baileys-13fh34
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