Malware in websocket-slot
The npm package websocket-slot contains malware that grants full control of affected systems. Any computer with this package installed or running should be considered fully compromised.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- websocket-slot
The npm package websocket-slot has been identified as containing malware. According to the GitHub Advisory (GHSA-27vg-w6vw-2rq8), 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\nUsers should treat any system that has run this package as potentially containing persistent malware and take appropriate incident response measures.
Indicators of compromise
- Packages
- websocket-slot
Remediation
- Immediately isolate any computer that has installed or run websocket-slot from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the websocket-slot package from all systems
- Conduct a full forensic investigation and malware scan of affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if the compromise is confirmed
Sources
- GitHub Advisory GHSA-27vg-w6vw-2rq8 · GitHub Advisory Database
Cite this entry
"Malware in websocket-slot." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 16, 2026; last updated June 16, 2026. https://supplychainattack.org/incident/malware-in-websocket-slot-ryejdw
Suggest a correction
Found an error or have a newer source? Corrections to factual errors take priority over new entries.
Related incidents
- containedcritical
Malware in janus-flow
Malware was discovered in the npm package janus-flow, resulting in full system compromise of any computer with the package installed or running. All secrets and keys on affected systems should be rotated immediately from a different computer.
npmCompromised package - containedcritical
Malware in flow-lending-sdk
Malware was discovered in the npm package flow-lending-sdk. Systems with this package installed or running are considered fully compromised, with potential for complete system takeover.
npmCompromised package - activecritical
Malware in auth-basic-vault
Malware discovered in the npm package auth-basic-vault. Any computer with this package installed or running should be considered fully compromised.
npmCompromised package - containedcritical
Malware in ttspc-server-sample
The npm package ttspc-server-sample contains malware that grants full control of affected systems. Any computer with this package installed or running should be considered fully compromised.
npmCompromised package