yt-dlp-web-ui through 4.0.0 NULL Pointer Dereference DoS via Service.Formats
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.
CVE-2026-109967
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-109967
yt-dlp-web-ui
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "marcopiovanello",
"product": "yt-dlp-web-ui",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "4.0.0"
}
],
"packageURL": "pkg:golang/github.com/marcopiovanello/yt-dlp-web-ui/v4",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-109967
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #34478 · Revision 1
- Added to Heist Feed
- Publisher date