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EUVD-2026-281233

fkie_cve-2026-35463

pyLoad is a free and open-source download manager written in Python. In 0.5.0b3.dev96 and earlier, the ADMIN_ONLY_OPTIONS protection mechanism restricts security-critical configuration values (reconnect scripts, SSL certs, proxy credentials) to admin-only access. However, this protection is only applied to core config options, not to plugin config options. The AntiVirus plugin stores an executable path (avfile) in its config, which is passed directly to subprocess.Popen(). A non-admin user with SETTINGS permission can change this path to achieve remote code execution.

GHSA-w48f-wwwf-f5fr — pyLoad: Improper Neutralization of Special Elements used in an OS Command

Affected: PyPI: pyload-ng

### Summary

The `ADMIN_ONLY_OPTIONS` protection mechanism restricts security-critical configuration values (reconnect scripts, SSL certs, proxy credentials) to admin-only access. However, this protection is **only applied to core config options**, not to plugin config options. The `AntiVirus` plugin stores an executable path (`avfile`) in its config, which is passed directly to `subprocess.Popen()`. A non-admin user with SETTINGS permission can change this path to achieve remote code execution.

### Details

**Safe wrapper — `ADMIN_ONLY_OPTIONS` (core/api/__init__.py:225-235):**

```python ADMIN_ONLY_OPTIONS = { "reconnect.script", # Blocks script path change "webui.host", # Blocks bind address change "ssl.cert_file", # Blocks cert path change "ssl.key_file", # Blocks key path change # ... other sensitive options } ```

**Where it IS enforced — core config (core/api/__init__.py:255):**

```python def set_config_value(self, section, option, value): if f"{section}.{option}" in ADMIN_ONLY_OPTIONS: if not self.user.is_admin: raise PermissionError("Admin only") # ... ```

**Where it is NOT enforced — plugin config (core/api/__init__.py:271-272):**

```python # Plugin config - NO admin check at all self.pyload.config.set_plugin(category, option, value) ```

**Dangerous sink — AntiVirus plugin (plugins/addons/AntiVirus.py:75):**

```python def scan_file(self, file): avfile = self.config.ge…

PYSEC-2026-2267

Affected: PyPI: pyload-ng