Malware in rate-limits-flexible
The npm package rate-limits-flexible was found to contain malware, potentially giving attackers 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
- rate-limits-flexible
The npm package rate-limits-flexible was identified as containing malware. According to the GitHub Security Advisory (GHSA-hg8j-2wmv-w4v6), 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 package installation, given the potential for full system compromise.\n\nUsers should treat any system that has run this package as potentially fully compromised and take appropriate incident response measures.
Indicators of compromise
- Packages
- rate-limits-flexible
Remediation
- Immediately rotate all secrets, keys, and credentials from a different, uncompromised computer
- Remove the rate-limits-flexible package from all affected systems
- Conduct a full security audit and forensic analysis of any system that had this package installed
- Monitor affected systems for signs of unauthorized access or persistence mechanisms
- Consider rebuilding affected systems from clean media if full compromise is suspected
Sources
- GitHub Advisory GHSA-hg8j-2wmv-w4v6 · GitHub Advisory Database
Cite this entry
"Malware in rate-limits-flexible." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 11, 2026; last updated June 11, 2026. https://supplychainattack.org/incident/malware-in-rate-limits-flexible-d9jfrb
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