CVE-2026-109967

yt-dlp-web-ui through 4.0.0 NULL Pointer Dereference DoS via Service.Formats

Published Oct 13, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Marcopiovanello
Marcopiovanello yt-dlp-web-ui
Vendors & Products Marcopiovanello
Marcopiovanello yt-dlp-web-ui
Type Values Removed Values Added
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.
Title yt-dlp-web-ui through 4.0.0 NULL Pointer Dereference DoS via Service.Formats
Weaknesses CWE-476
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 16, 2026, 9:57 PM
Reserved
Oct 13, 2026, 11:26 AM
Status
Deferred
Published
Oct 13, 2026, 2:17 PM
Modified
Oct 16, 2026, 10:17 PM