CVE-2026-71212

EUVD-2026-53209
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.
Argument Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.4 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 1.51%
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
ffmpeg
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
xenial
needs-triage
libav
jammy
dne
noble
dne
resolute
dne
trusty
needs-triage
its
bionic
needs-triage
focal
needs-triage
jammy
dne
noble
dne
resolute
dne
xenial
needs-triage
yt-dlp
jammy
needs-triage
noble
needs-triage
resolute
needs-triage