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Malicious package

fastapis-requestsPyPI

Advisory published Updated

fastapis-requests is a confirmed malicious PyPI package (MAL-2026-1262) that steals credentials and exfiltrates sensitive data (malicious version 2.32.5). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in fastapis-requests (PyPI)

MAL-2026-1262
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall fastapis-requests

What this malware does

The package clones a legitimate library and contains hidden code that executes remote scripts. During the analysis, the remote code was no longer available

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-03-fastapi-requests

Reasons (based on the campaign):

  • Downloads and executes a remote malicious script.

  • clones-real-package

  • typosquatting

  • action-hidden-in-lib-usage

Malicious versions

1 flagged
2.32.5

Indicators of compromise (SHA-256)

69baeb910fc47c2e92e2a25cb1db7b5148b4773d193f15aecef4d708f69b1f6d

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for fastapis-requests (version 2.32.5).

  2. If you installed it — respond

    fastapis-requests is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If fastapis-requests was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. fastapis-requests on PyPI has been identified as a malicious package (version 2.32.5 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-03-fastapi-requests

References

Credits

  • Kamil Mańkowski (kam193) · reporter

Detect & block this

O3 blocks fastapis-requests-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

fastapis-requests (PyPI) malicious package — MAL-2026-1262 | O3 Security