RCE in Pyload
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (58.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.001
Affected products
- Pyload — versions <= 0.5.0b3.dev96
- Pyload-Ng Project
Weakness classification (CWE)
References
- github.com/pyload/pyload/security/advisories/GHSA-w48f-wwwf-f5fr (Exploit, Mitigation, Vendor Advisory)
- github.com/pyload/pyload/commit/c4cf995a2803bdbe388addfc2b0f323277efc0e1 (Patch)
Frequently asked questions
- What is CVE-2026-35463?
- CVE-2026-35463 is a high-severity vulnerability in Pyload, classified under OS Command Injection. CVSS score: 8.8/10. Published 2026-04-07.
- How severe is CVE-2026-35463?
- High severity. CVSS v3 base score is 8.8 out of 10.