GHSA-w4v4-fj9q-cfj5: Malicious code in @pcb-dp/qa-commons (npm)
@pcb-dp/qa-commons is a dependency-confusion package with no functional code (its description is "Authorized Test Package"). Its postinstall script runs node ./index.cjs on npm install, which POSTs the hostname, home directory, platform and CI provider (GitHub Actions, GitLab CI, Azure Pipelines or Jenkins) to https://webhook.site/d730a68c-27bd-4bb5-b1b9-d57a0a4b17ac/semz in 1.0.0 and to https://130.162.231.177:8443/ in 1.0.10. It was published by the npm account notsemz, which published two more packages with the same beacon on 2026-10-29 and seven placeholder-only names.
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Source: ghsa-malware (f297f3071e36f7c0c920ea74ff4f2873fc4cb9aaa226aacca07a10623d3bc29d) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.
Affected Software
Event History
Frequently Asked Questions
What information does the package transmit during installation?
Its postinstall script sends the hostname, home directory, platform, and detected CI provider. The CI providers named are GitHub Actions, GitLab CI, Azure Pipelines, and Jenkins.
Which installations are affected by the known network destinations?
Version 1.0.0 posts collected information to a webhook.site endpoint, while version 1.0.10 posts to https://130.162.231.177:8443/. The data does not identify other affected versions.
What should be done if this package was installed or executed?
Treat the computer as fully compromised and rotate all secrets and keys stored on it immediately using a different computer. Remove the package, but do not assume removal eliminates any malicious software that may have been installed.