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OpenAdvisories
Malicious MAL-2026-2141

corexloader

PyPI package · versions 1.0.0

Reported Mar 24, 2026 · Updated Mar 24, 2026

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 (02fc84ddadc717cbd2dc073832c3c9e438f82d2671927fa79be959fea7031304)
During importing, code starts a malicious script performing exfiltration of sensitive data and credentials from e.g. browsers and Discord clients to a remote location.

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

Campaign: 2026-03-coreloader

Reasons (based on the campaign):

- infostealer

- exfiltration-credentials

- exfiltration-browser-data

- spyware-like