Malware in reading-cookies
The npm package reading-cookies was found to contain malware, potentially giving attackers full control of affected systems. All systems with this package installed should be considered compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- reading-cookies
The npm package reading-cookies was identified as containing malware. According to the GitHub advisory, 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 represents a critical supply chain attack through a compromised package in the npm ecosystem, with potential for widespread impact across all systems that have installed or executed this package.
Indicators of compromise
- Packages
- reading-cookies
Remediation
- Immediately isolate any system with reading-cookies installed from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the reading-cookies package from all systems
- Perform a full security audit and malware scan on affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider full system reimaging if compromise is confirmed
Sources
- GitHub Advisory GHSA-mf62-v96j-mg7g · GitHub Advisory Database
Cite this entry
"Malware in reading-cookies." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 15, 2026; last updated June 16, 2026. https://supplychainattack.org/incident/malware-in-reading-cookies-1lymyx
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