Malware in mongoose-json-format
Malware discovered in the npm package mongoose-json-format. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with mongoose-json-format installed or running
- Ecosystems
- Attack vectors
- Affected entities
- mongoose-json-formatnpm package
The npm package mongoose-json-format has been identified as containing malware. According to the GitHub Advisory (GHSA-8fxp-pghh-7w6w), 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.
Indicators of compromise
- Packages
- mongoose-json-format
Remediation
- Immediately isolate any system with mongoose-json-format installed from the network
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the mongoose-json-format package from all affected systems
- Conduct a full forensic analysis of affected systems to identify any additional malicious software
- Review all access logs and audit trails for suspicious activity during the period the package was installed
- Consider full system reimaging if the package was installed on production or sensitive systems
Sources
- GitHub Advisory GHSA-8fxp-pghh-7w6w · GitHub Advisory Database
Cite this entry
"Malware in mongoose-json-format." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 6, 2026; last updated July 6, 2026. https://supplychainattack.org/incident/malware-in-mongoose-json-format-1753w9
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