What is CVE-2026-50574?

CVE-2026-50574 is a high-severity vulnerability in Yt-dlp, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.3/10. Published 2026-06-23.

How severe is CVE-2026-50574?

High severity. CVSS v3 base score is 8.3 out of 10.

Vulnerability in Yt-dlp

CVE-2026-50574

yt-dlp is a command-line audio/video downloader. Prior to 2026.06.09, if aria2c is used as an external downloader for a fragmented manifest format (such as an HLS/DASH stream), yt-dlp passes insufficiently sanitized input to aria2c that al…

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Yt-dlp — versions < 2026.06.09

Weakness classification (CWE)

CWE-74 — Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection)

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-50574?: CVE-2026-50574 is a high-severity vulnerability in Yt-dlp, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.3/10. Published 2026-06-23.
How severe is CVE-2026-50574?: High severity. CVSS v3 base score is 8.3 out of 10.