hello-bat-fwi9 (PyPI) · Malicious Code
Affects hello-bat-fwi9Source GCVE Database
Malicious package : remove hello-bat-fwi9 and rotate any secrets on hosts that installed it.
Data as of 6 Nov 2026, 21:52 UTC
Malicious package
Published to PyPI · OSV MAL-2026-18735
What to do
Remove hello-bat-fwi9 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
| Product | Affected | Fixed in |
|---|---|---|
| PyPIhello-bat-fwi9 | Affected
| Fixed in– |
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Description
The hello-bat-fwi9 package on PyPI contains an obfuscated batch (.bat) file that delivers a Remote Access Trojan (RAT) using its own Python runtime and PTH files. The malicious code requires manual activation to execute. This package is part of a known malicious campaign identified as 2026-11-hello-bat-fwi9, continuing a previous campaign named 2026-11-filipt.