MEDIUM 6.9 NVD
CVE-2026-109966
yt-dlp-web-ui through 4.0.0 contains an argument injection vulnerability that allows unauthenticated remote attackers to inject yt-dlp options by supplying a da
yt-dlp-web-ui through 4.0.0 contains an argument injection vulnerability that allows unauthenticated remote attackers to inject yt-dlp options by supplying a dash-prefixed url parameter to the Service.Formats JSON-RPC method. Attackers can send values like --load-info-json via /rpc/http or /rpc/ws to make yt-dlp load attacker-chosen JSON files from the server filesystem, with contents reflected in responses.
References
- https://github.com/marcopiovanello/yt-dlp-web-ui
- https://github.com/marcopiovanello/yt-dlp-web-ui/blob/v4.0.0/server/formats/parser.go
- https://github.com/vazzzy071-crypto/security-advisories/blob/main/advisories/2026-10-marco
- https://www.vulncheck.com/advisories/yt-dlp-web-ui-through-4.0.0-argument-injection-via-se
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-10-13 via NVD.
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