PackageGate bugs let attackers bypass protections in NPM, PNPM, VLT, and Bun

Security Affairs

January 28, 2026 at 8:43 AM

Overview

Researchers at Koi have discovered a series of vulnerabilities known as 'PackageGate' affecting popular JavaScript package managers: NPM, PNPM, VLT, and Bun. These flaws allow attackers to bypass existing supply chain protections, potentially enabling them to execute malicious code within applications that rely on these package managers. This is particularly concerning given the widespread use of these tools in the development community, meaning that many developers and organizations could be at risk without realizing it. The vulnerabilities pose a serious threat to software integrity and the security of applications built using these package managers. Developers are urged to stay vigilant and implement necessary security measures to protect their projects.

Key Takeaways

Affected Systems: NPM, PNPM, VLT, Bun
Action Required: Developers should monitor for updates from the respective package managers and apply any security patches as they become available.
Timeline: Newly disclosed

Original Article Summary

Koi researchers found “PackageGate” flaws in NPM, PNPM, VLT, and Bun that let attackers perform supply chain attacks and run malicious code. Security firm Koi uncovered a set of vulnerabilities collectively tracked as “PackageGate” affecting major JavaScript package managers like NPM, PNPM, VLT, and Bun. These flaws could let attackers bypass supply chain protections and […]

Impact

NPM, PNPM, VLT, Bun

Exploitation Status

The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.

Timeline

Newly disclosed

Remediation

Developers should monitor for updates from the respective package managers and apply any security patches as they become available.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Vulnerability.

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