P4Verified

CVE-2026-109966: yt-dlp-web-ui 0 through 4.0.0

CVE-2026-109966. CVSS 3.1 base score 5.3 (GitHub Advisory Database).

Affected technology

yt-dlp-web-ui · 0 through 4.0.0
marcopiovanello

Description’s affected range: through 4.0.0

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Unauthenticated remote attackers can inject yt-dlp options by supplying a dash-prefixed url parameter to the Service.Formats JSON-RPC method. Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality impact as low; integrity and availability impact as none.

Published 13-Oct-2026 14:25 UTC

CWE: CWE-88
CCR priority: 21.2 /100 (P4)
CVSS 3.1: 5.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N · GitHub Advisory Database
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-13 16:07:08.474774+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-13 14:24:58.546597+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-109966.html