CVE-2026-109967: NULL Pointer Dereference in marcopiovanello yt-dlp-web-ui
Description
yt-dlp-web-ui through 4.0.0 contains a NULL pointer dereference vulnerability in the Service.Formats JSON-RPC method that allows remote unauthenticated attackers to crash the server. Attackers can send a single request with a url value like --version, causing invalid yt-dlp JSON output and an unrecovered panic that terminates the process.
CVSS v4.0
Score 8.7high
Affected software
marcopiovanello
yt-dlp-web-ui
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-10-13T11:26:13.465Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ace3de02cdf04f656720e7b
Added to database: 10/13/2026, 14:19:12 UTC
Last updated: 10/13/2026, 14:19:12 UTC
Views: 1
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