Unplugged holes in the npm and yarn package managers could let attackers bypass defenses against Shai-Hulud

Not the complete picture

He says the scripts bypass vulnerability was reported through the HackerOne bug bounty program on November 26, 2025. While other JavaScript package managers accepted the reports, npm said the platform was working as intended, and that the ‘ignore scripts’ command should prevent the running of unapproved remote code.

“We didn’t write this post to shame anyone,” Yomtov said in the blog. “We wrote it because the JavaScript ecosystem deserves better, and because security decisions should be based on accurate information, not assumptions about defenses that don’t hold up.

“The standard advice, disable scripts and commit your lockfiles, is still worth following. But it’s not the complete picture,” he said. “Until PackageGate is fully addressed, organizations need to make their own informed choices about risk.”

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