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Malicious package campaign

2025-06-atlasctf

The 2025-06-atlasctf campaign published 23 malicious PyPI packages. See the full package list, timeline, and how to check whether your dependency tree pulled any of them in.

Malicious packages
23
Advisories
23
Ecosystem
PyPI
First seen
2025-06-07

What to do if you depend on any of these

Every package below was published as malicious under 2025-06-atlasctf. Treat any machine that installed one as compromised: remove the package and its lockfile entry, rotate every credential the build or runtime could reach (registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values) from a known-clean machine, and audit for unexpected outbound activity.

Because the packages share a campaign, a project that pulled in one has an elevated chance of having pulled in others. Search your lockfiles for 2025-06-atlasctf rather than checking a single package name.

All 23 packagesPyPI