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MalwarePublished Updated

evalstream (PyPI) · Malicious Code

Affects evalstreamSource GCVE Database

0

Malicious package : remove evalstream and rotate any secrets on hosts that installed it.

Data as of 29 Oct 2026, 18:09 UTC

Classification

Malicious package

Published to PyPI · OSV MAL-2026-18161

What to do

Remove evalstream from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.

Affected software

ProductAffectedFixed in
PyPIevalstreamAffected
  • =0.1.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

The evalstream package version 0.1.0 on PyPI is part of a malicious campaign involving loader packages that execute code from remote URLs. Although the package itself does not contain a direct malicious payload or exhibit typical supply-chain attack behaviors such as credential scraping or persistent backdoors, it is designed to download and execute remote malicious scripts. This behavior indicates a coordinated effort to provide multiple deceptive methods to load malicious code remotely.

References

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