{"cve":"CVE-2026-50019","nvd":{"published":"2026-06-23T17:17:02.853","modified":"2026-06-26T20:12:44.873","status":"Analyzed","description":"yt-dlp is a command-line audio/video downloader. From 2023.09.24 until 2026.06.09, if curl is used as an external downloader for yt-dlp, cookies may be leaked to an unintended host upon HTTP redirect or when the host for download fragments differs from their parent manifest's. At the file download stage, the cookies are passed by yt-dlp to the file downloader via --cookie. However, unless these are loaded from a file, this operation does not activate the cookie engine. As a result, curl will send cookies with requests to domains or paths for which the cookies are not scoped. This vulnerability is fixed in 2026.06.09.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N","score":7.4},"cwes":["CWE-200"],"references":["https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-f7j3-774f-rfhj"],"products":["yt-dlp_project:yt-dlp"],"source":"nvd","synced_at":"2026-10-19T22:39:28.638635428+00:00"},"epss":{"cve":"CVE-2026-50019","score":0.00319,"percentile":0.24942,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-f7j3-774f-rfhj","url":"https://osv.dev/vulnerability/GHSA-f7j3-774f-rfhj","summary":"yt-dlp: File Downloader cookie leak with curl ","modified":"2026-07-20T14:00:25.548133169Z","packages":[{"ecosystem":"PyPI","name":"yt-dlp","purl":"pkg:pypi/yt-dlp","ranges":[">=2023.9.24 <2026.6.9"],"fixed":["2026.6.9"]}]},{"id":"PYSEC-2026-3431","url":"https://osv.dev/vulnerability/PYSEC-2026-3431","summary":"yt-dlp: File Downloader cookie leak with curl ","modified":"2026-07-13T16:33:27.872299417Z","packages":[{"ecosystem":"PyPI","name":"yt-dlp","purl":"pkg:pypi/yt-dlp","ranges":[">=2023.9.24 <2026.6.9"],"fixed":["2026.6.9"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}