aiihttp

GHSA-f72f-4fm7-4ffp

Malicious code in aiihttp (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 3.13.3`

## Source: kam193 (e98bbfaaccc91213e80bb0a09f5081a5701cf01629ac8b82370adbbbc42178b0)
Obfuscated code downloads an encrypted binary blob, which is malware finally starting cryptomining. After starting the malware, the Python package uninstall itself and installs the legitimate package, covering tracks of the infection.


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


Campaign: 2026-01-aiihttp


Reasons (based on the campaign):


 - typosquatting


 - Downloads and executes a remote executable.


 - malware


 - cryptominer


 - obfuscation


 - covering-tracks

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/aiihttp/MAL-2026-35.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/aiihttp
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/aiihttp/MAL-2026-35.json
- https://tria.ge/260104-w59jhswlgt/static1
- https://tria.ge/260104-xc563asncq/static1
- https://www.virustotal.com/gui/file/68d0f3934245cba3741079b16cc93b98bf73101fdebf3dfc666d1eda22f997f1/behavior
- https://github.com/advisories/GHSA-f72f-4fm7-4ffp

Compromised versions (1)

= 3.13.3

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.