CVE-2026-109967

HighCVSS 7.5/10Last modified Oct 16, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
marcopiovanello	yt-dlp-web-ui	<= 4.0.0

References

Timeline

Published: Oct 13, 2026
Last modified: Oct 16, 2026
NVD status: Deferred

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