Details
- Type
- Denial of Service
- Impact
- Denial Of Service
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Published
- 13 October 2026
- Updated
- 15 October 2026
- Weakness
- CWE-476
Vendor fix
Update to the latest version beyond 4.0.0.
Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-109967
- https://github.com/vazzzy071-crypto/security-advisories/blob/main/advisories/2026-10-marcopiovanello-yt-dlp-web-ui-rpc-arg-injection.md
- https://www.vulncheck.com/advisories/yt-dlp-web-ui-through-4.0.0-null-pointer-dereference-dos-via-service-formats
- 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/marcopiovanello/yt-dlp-web-ui/blob/v4.0.0/server/rpc/service.go