Yt-Dlp Project: >> Yt-Dlp >> 2024.04.09 Security Vulnerabilities
yt-dlp is a command-line audio/video downloader. Starting in version 2023.06.21 and prior to version 2026.02.21, when yt-dlp's `--netrc-cmd` command-line option (or `netrc_cmd` Python API parameter) is used, an attacker could achieve arbitrary command injection on the user's system with a maliciously crafted URL. yt-dlp maintainers assume the impact of this vulnerability to be high for anyone who uses `--netrc-cmd` in their command/configuration or `netrc_cmd` in their Python scripts. Even though the maliciously crafted URL itself will look very suspicious to many users, it would be trivial for a maliciously crafted webpage with an inconspicuous URL to covertly exploit this vulnerability via HTTP redirect. Users without `--netrc-cmd` in their arguments or `netrc_cmd` in their scripts are unaffected. No evidence has been found of this exploit being used in the wild. yt-dlp version 2026.02.21 fixes this issue by validating all netrc "machine" values and raising an error upon unexpected input. As a workaround, users who are unable to upgrade should avoid using the `--netrc-cmd` command-line option (or `netrc_cmd` Python API parameter), or they should at least not pass a placeholder (`{}`) in their `--netrc-cmd` argument.
CVSS Score
8.8
EPSS Score
0.016
Published
2026-02-24
yt-dlp is a feature-rich command-line audio/video downloader. In versions 2025.06.25 and below, when the --exec option is used on Windows with the default placeholder (or {}), insufficient sanitization is applied to the expanded filepath, allowing for remote code execution. This is a bypass of the mitigation for CVE-2024-22423 where the default placeholder and {} were not covered by the new escaping rules. Windows users who are unable to upgrade should avoid using --exec altogether. Instead, the --write-info-json or --dump-json options could be used, with an external script or command line consuming the JSON output. This is fixed in version 2025.07.21.
CVSS Score
7.5
EPSS Score
0.005
Published
2025-07-22