ziphash

GHSA-4277-hrwh-9pfm

Malicious code in ziphash (PyPI)

Details

**Severity:** Critical

**Affected versions:** `= 0.1.5`

## Source: kam193 (e9a36a54bad10e0f086740a84fd0a837dd4bf1cc9c3c0707648af4bb3855a03e)
During initialization of the archive-support class, the package starts code from another file and downloads multi-stage malware


---

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


Campaign: 2025-11-uzip


Reasons (based on the campaign):


 - Downloads and executes a remote executable.


 - obfuscation


 - malware

---

Credit: [OpenSSF](https://github.com/ossf/malicious-packages) ([source](https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/ziphash/MAL-2026-6.json))

**References:**
- https://bad-packages.kam193.eu/pypi/package/ziphash
- https://github.com/ossf/malicious-packages/blob/49d0cfba3689ed9b195d101d3a2a964c6a77f767/osv/malicious/pypi/ziphash/MAL-2026-6.json
- https://www.getsafety.com/blog-posts/extrazip-malware-campaign
- https://www.virustotal.com/gui/file-analysis/MGEwNWE0MzhlMTU3NTUxZTU1OGI4NTRkYTA2MWMxM2M6MTc2MzgzMDEyNA==
- https://www.virustotal.com/gui/file/8808a0a09c0180afe742f0265f8b42bf671bc2083dcecd47c1515f52554200d9/detection
- https://github.com/advisories/GHSA-4277-hrwh-9pfm

Compromised versions (1)

= 0.1.5

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