Vulnerabilities CVE-2026-71212

CVE-2026-71212

Medium

Open

TLP:CLEAR

xidown - Argument Injection via Unterminated yt-dlp Command Line Construction

NVD CVE.org

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Description

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.

Details

CVSS Score: 4.4
EPSS Score ⓘ: 0.11%

1.5th percentile
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Confidence: 90%
Published: Aug 5, 2026
Last Modified: Aug 10, 2026

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