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OpenAdvisories
Malicious MAL-2026-18118

semer

PyPI package · versions 1.0.0

Reported Oct 20, 2026 · Updated Oct 22, 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 (7479f42de6f963e39b7aa1409b586e605dca69978763ab35236d20c9126aa4f1)
During installation, package downloads and executes malware.

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

Campaign: 2026-10-semvver

Reasons (based on the campaign):

- Downloads and executes a remote executable.

- malware

- typosquatting

Indicators of compromise

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

Domains

URLs