Malware in vercel-api-client
Malware was discovered in the npm package vercel-api-client. Systems with this package installed are considered fully compromised and require immediate remediation including credential rotation and package removal.
- Disclosed
- Last updated
- Blast radius
- Any system with vercel-api-client installed
- Ecosystems
- Attack vectors
- Affected entities
- vercel-api-clientnpm package containing malware
A critical malware incident was identified in the npm package vercel-api-client. According to the GitHub Advisory (GHSA-9634-pgqf-xjgr), 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 impact to all systems that installed or ran the affected package.
Indicators of compromise
- Packages
- vercel-api-client
Remediation
- Immediately rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the vercel-api-client package from all affected systems
- Audit system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider the affected system(s) potentially compromised and perform a full security review
- Check for any other suspicious packages or modifications on affected systems
- Monitor for any unauthorized activity on accounts or services that may have been accessed from compromised systems
Sources
- GitHub Advisory GHSA-9634-pgqf-xjgr · GitHub Advisory Database
Cite this entry
"Malware in vercel-api-client." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 24, 2026; last updated June 24, 2026. https://supplychainattack.org/incident/malware-in-vercel-api-client-19t4lb
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