Malware in @qlik/prettier-config
Malware was discovered in the npm package @qlik/prettier-config. Systems with this package installed are considered fully compromised and require immediate remediation including secret rotation and package removal.
- Disclosed
- Last updated
- Blast radius
- Any system with @qlik/prettier-config installed
- Ecosystems
- Attack vectors
- Affected entities
- @qlik/prettier-config
A malicious version of the npm package @qlik/prettier-config was identified and published to the npm registry. The package contained malware that grants full control of affected systems to an outside entity.\n\nAny computer with this package installed or running should be considered fully compromised. The advisory recommends immediate rotation of all secrets and keys from a different, unaffected computer.\n\nWhile removing the package is necessary, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the compromise. Full system remediation and security review is recommended.\n\nThis incident was disclosed via GitHub Advisory GHSA-2259-j57x-rf45 on 2026-08-04.
Indicators of compromise
- Packages
- @qlik/prettier-config
Remediation
- Immediately rotate all secrets, API keys, and credentials from a different, unaffected computer
- Remove @qlik/prettier-config from all affected systems
- Conduct a full security audit of any system that had this package installed
- Review system logs and network activity for signs of unauthorized access or data exfiltration
- Consider full system reimaging if the package was installed on production or sensitive systems
- Update npm dependencies to remove any references to @qlik/prettier-config
Sources
- GitHub Advisory GHSA-2259-j57x-rf45 · GitHub Advisory Database
Cite this entry
"Malware in @qlik/prettier-config." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 4, 2026; last updated August 4, 2026. https://supplychainattack.org/incident/malware-in-qlik-prettier-config-5rs0us
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