Malware in @qlik/browserslist-config
Malware was discovered in the npm package @qlik/browserslist-config. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- @qlik/browserslist-config
A malicious version of the npm package @qlik/browserslist-config was identified and published to the npm registry. The package contains 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 malware may have provided attackers with complete system access, potentially allowing installation of additional persistent threats beyond the package itself.\n\nImmediate action is required: all secrets and keys stored on affected computers should be rotated 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.
Indicators of compromise
- Packages
- @qlik/browserslist-config
Remediation
- Immediately rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the @qlik/browserslist-config package from all affected systems
- Conduct a full security audit and malware scan of any system that had this package installed
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider the affected system(s) as potentially fully compromised and plan for complete rebuild if critical infrastructure
Sources
- GitHub Advisory GHSA-x47v-2r4m-2q34 · GitHub Advisory Database
Cite this entry
"Malware in @qlik/browserslist-config." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 4, 2026; last updated August 4, 2026. https://supplychainattack.org/incident/malware-in-qlik-browserslist-config-1pq1r2
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