requests-cache-utils

GHSA-mc8h-7wqw-2mcf

Malicious code in requests-cache-utils (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 1.0.0`

## Source: kam193 (1655ea47fc7ccd39294203776ee3dcb01a394c40d93e05b7b527700b19de42c8)
During installation and importing the module, the code downloads and executes an infostealer.


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


Campaign: 2026-09-requests-cache-utils


Reasons (based on the campaign):


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


 - Downloads and executes a remote executable.


 - malware


 - infostealer


 - exfiltration-browser-data

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/89d286051d611a25523aa21e3dfdb340dfdca7e3/osv/malicious/pypi/requests-cache-utils/MAL-2026-17191.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/requests-cache-utils
- https://github.com/ossf/malicious-packages/blob/89d286051d611a25523aa21e3dfdb340dfdca7e3/osv/malicious/pypi/requests-cache-utils/MAL-2026-17191.json
- https://www.virustotal.com/gui/file/274c2b93e3c6ca726f21d02f6a8e3602853dbe775a122f5510c42f1d491995a3
- https://github.com/advisories/GHSA-mc8h-7wqw-2mcf

Compromised versions (1)

= 1.0.0

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