VYPR

pypi · Malicious package advisory

Malware

reqcrypt-dev

GHSA-f4gc-vf6c-945w

Malicious code in reqcrypt-dev (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## Source: kam193 (8e66755912c02a4de1ed6f86b092e2a0dcdadbcaef931cbd07c6d2306619f3e4)
The package contains a hidden backdoor. The promised functionality is an HTTP request library with some additional functions. On every usage, code secretly checks for the presence of specific fields in the response, and if they are found, their content is secretly executed.


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


Campaign: 2026-08-reqcrypt


Reasons (based on the campaign):


 - backdoor

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Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/ffde578b842953a28962fa346230ed4ae580cdd9/osv/malicious/pypi/reqcrypt-dev/MAL-2026-14274.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/reqcrypt-dev
- https://github.com/ossf/malicious-packages/blob/ffde578b842953a28962fa346230ed4ae580cdd9/osv/malicious/pypi/reqcrypt-dev/MAL-2026-14274.json
- https://github.com/ossf/malicious-packages/blob/f514d3b82b12cf84811f5674becb99753d2b4284/osv/malicious/pypi/reqcrypt-dev/MAL-2026-14274.json
- https://pypi.org/project/reqcrypt_dev/0.1.0
- https://github.com/advisories/GHSA-f4gc-vf6c-945w

Compromised versions (1)

  • = 0.1.0

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