Reference page — cumulative record through Monday, October 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-109967
marcopiovanello yt-dlp-web-ui — yt-dlp-web-ui through 4.0.0 NULL Pointer Dereference DoS via Service.Formats
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N N N H 8.7 .0056 45.5 —
AFFECTED
Product Versions Fixed
yt-dlp-web-ui unspecified —
TIMELINE
Oct 13 Reserved by VulnCheck
Oct 13 Published (CNA: VulnCheck)
Oct 16 EXPLOIT PUBLISHED — CVE-2026-109967 (marcopiovanello yt-dlp-web-ui). Public exploit reference 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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| October 13, 2026 | Reserved | Reserved by VulnCheck |
| October 13, 2026 | Published | Published (CNA: VulnCheck) |
| October 16, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-109967 (marcopiovanello yt-dlp-web-ui). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| marcopiovanello | yt-dlp-web-ui | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-109967 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Monday, October 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
