Your RSA-2048 keys break in 2030. Find every one of them before attackers do.
Malicious package

0requestsPyPI

Advisory published Updated

0requests is a confirmed malicious PyPI package (MAL-2026-15859) that steals credentials and exfiltrates sensitive data (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in 0requests (PyPI)

MAL-2026-15859
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall 0requests

What this malware does

The package name '0requests' is a one-character variant of the popular PyPI package 'requests'. On import of the top-level package, init.py enumerates os.environ and collects every variable whose name begins with SECRET, API, TOKEN, or KEY, then opens a TCP socket to a host/port taken from the TS_HOST and TS_PORT environment variables and sends the serialized dictionary of credential-shaped variables. The same import path spawns a python subprocess that connects to the same TS_HOST:TS_PORT, sends a 'SHELL' marker, and sleeps to keep the socket open, providing a remote-controlled shell channel on the host. Console output includes '0requests installed -- targeting requests' and a '[typosquat] exfiltrating' log line, confirming intent.

During import, the code exfiltrates potentially sensitive env variables. In all analyzed versions the exfiltration target was a localhost, suggesting it was just a test.

Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.

Campaign: 2026-09-0requests

Reasons (based on the campaign):

  • exfiltration-env-variables

  • typosquatting

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

b42d4eed37375dfa065db35c2e08365b9557b442c935e645b3e82564c4c32d7c
ce3a594da2523b6481bd4639f5d3aaed9ec11a9adf92c2b99bf99d0ab6fb5b78

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for 0requests (version 0.0.1).

  2. If you installed it — respond

    0requests is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If 0requests was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. 0requests on PyPI has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-09-0requestsIN-MAL-2026-019377

References

Credits

  • Amazon Inspector · finder
  • Kamil Mańkowski (kam193) · analyst

Detect & block this

O3 blocks 0requests-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

0requests (PyPI) malicious package — MAL-2026-15859 | O3 Security