VYPR

pypi · Malicious package advisory

Malware

yaml-report-formatter

GHSA-3q3w-rmgq-cq8x

Malicious code in yaml-report-formatter (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.0`

## Source: kam193 (207190bd409999efcab9a56f8e536b6caf9c6a5ab92a134b77421f4bf1650f01)
During import, the package collects sensitive information and exfiltrates it using DNS queries.


---

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


Campaign: 2026-08-ekx-report-utils


Reasons (based on the campaign):


 - targetted-attack


 - exfiltration-generic


 - exfiltration-credentials

---

Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/f686f707b41fdea6c49bfdc86ab0f36b03099405/osv/malicious/pypi/yaml-report-formatter/MAL-2026-14588.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/yaml-report-formatter
- https://github.com/ossf/malicious-packages/blob/f686f707b41fdea6c49bfdc86ab0f36b03099405/osv/malicious/pypi/yaml-report-formatter/MAL-2026-14588.json
- https://github.com/ossf/malicious-packages/blob/5203541202891aa13928fdb1ce96f5d52556503b/osv/malicious/pypi/yaml-report-formatter/MAL-2026-14588.json
- https://pypi.org/project/yaml-report-formatter/0.1.0
- https://pypi.org/project/yaml-report-formatter/0.2.0
- https://pypi.org/project/yaml-report-formatter/0.3.0
- https://github.com/advisories/GHSA-3q3w-rmgq-cq8x

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.