CVE-2026-26331: yt-dlp: Arbitrary Command Injection when using the `--netrc-cmd` option

February 23, 2026

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.

References

github.com/advisories/GHSA-g3gw-q23r-pgqm
github.com/yt-dlp/yt-dlp
github.com/yt-dlp/yt-dlp/commit/1fbbe29b99dc61375bf6d786f824d9fcf6ea9c1a
github.com/yt-dlp/yt-dlp/releases/tag/2026.02.21
github.com/yt-dlp/yt-dlp/security/advisories/GHSA-g3gw-q23r-pgqm
nvd.nist.gov/vuln/detail/CVE-2026-26331

Code Behaviors & Features

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