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OpenAdvisories
Malicious MAL-2025-191842

python-uvicorn

PyPI package · versions 0.35.0, 0.35.1, 0.36.0, 0.36.1

Reported Jul 16, 2025 · Updated Dec 12, 2025

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: kam193 (5396386b3e45bc2cc83befa80cc1843f6d8374728a22274ffbbc124319ddc16d)
Malicious copy of uvicorn package with added healthcheck endpoint that exfiltrates application settings/env vars

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

Campaign: 2025-07-python-uvicorn

Reasons (based on the campaign):

- clones-real-package

- action-hidden-in-lib-usage