CVE Catalog

CVE-2026-71212

MediumCVSS 4.4
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.16%

5th percentile - higher than 5% of all known CVEs

Summary

xidown, a yt-dlp/ffmpeg GUI wrapper, builds its yt-dlp command-line invocation by appending the user-provided or scanned URL as a bare trailing positional argument, with no '--' end-of-options marker and no scheme validation anywhere in the codebase.

Risk Assessment

An attacker can inject additional arguments into the yt-dlp command, potentially leading to unintended operations, including downloading malicious content or potentially privilege escalation depending on context.

Recommendation

Add URL validation and use the '--' separator before the URL argument in the yt-dlp invocation to prevent argument injection.

Related vulnerabilities

Original NVD description (English source)

xidown (a yt-dlp/ffmpeg GUI wrapper) builds its yt-dlp command-line invocation (xidown/core/scanner.py and downloader.py) by appending the user-provided or scanned URL as a bare trailing positional argument, with no '--' end-of-options marker and no scheme validation anywhere in the codebase.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS