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OpenAdvisories
Malicious MAL-2026-843

requests-core-plugin

PyPI package · versions 2.31.5, 2.31.6, 2.31.7, 2.31.8, 2.31.9, 2.31.12, 2.31.13, 2.31.14, 2.31.15

Reported Feb 10, 2026 · Updated Feb 10, 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 (f7d809caa4cb4961377b3c02a06f90ce19136a36297191248a8c6cd289a809f2)
During installation, package loads obfuscated code that then downloads and starts an executable. The final executable is identified as malware and appears to have infostealer capabilities (collecting browser and Discord data).

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

Campaign: 2026-02-requests-core-plugin

Reasons (based on the campaign):

- malware

- The package overrides the install command in setup.py to execute malicious code during installation.

- impersonation

- obfuscation

- infostealer

Indicators of compromise

Shown defanged and not clickable. Search any indicator to find other packages using it.

URLs

IP addresses