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OpenAdvisories
Malicious MAL-2026-3429

openai-spellchecker

PyPI package · versions 1.0.0

Reported May 11, 2026 · Updated Oct 30, 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 (13911c4c1e0334b4e4d972e3b3256a08f8991d3935d74086c252ed085d3984a0)
The package hides code to download and execute a next-stage payload, which then communicates with C2 and listens for next code parts. In the analyzed version, the malicious code was not triggered.

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

Campaign: 2025-11-spellcheckers

Reasons (based on the campaign):

- obfuscation

- Downloads and executes a remote malicious script.

- The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.

Indicators of compromise

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

Domains

URLs