data-proxy-for-test (PyPI) · Malicious Code
Affects data-proxy-for-testSource GCVE Database
Malicious package : remove data-proxy-for-test and rotate any secrets on hosts that installed it.
Data as of 15 Jul 2026, 13:00 UTC
Malicious package
Published to PyPI · OSV MAL-2026-10642
What to do
Remove data-proxy-for-test from every project, lockfile and image that pulls it in. Treat any host that installed it as compromised: rotate the credentials, tokens and keys it could read, from a clean machine.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| PyPIdata-proxy-for-test | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
The PyPI package 'data-proxy-for-test' version 0.1.1 is a malicious package impersonating the legitimate 'mcp-proxy' project. It installs a .pth file that causes Python to automatically execute code on every interpreter startup. This code downloads unverified files from an attacker-controlled third-party Aliyun OSS bucket into the user's cache directory, potentially staging malicious content for execution. This behavior occurs silently and is not disclosed in the package README or upstream project.