PT-2026-21401 · Yt-Dlp · Yt-Dlp

Dxleryt · Published 2026-02-21 · Updated 2026-03-10 · CVE-2026-26331

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions yt-dlp versions prior to 2026.02.21

Description The --netrc-cmd option in yt-dlp contains an arbitrary command injection issue. The argument passed to the command in this option is now limited to a safe subset of characters to address this. This issue could potentially allow an attacker to execute arbitrary commands on the system.

Recommendations Update to yt-dlp version 2026.02.21 or later.

Exploit

Fix

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2026-26331

GHSA-G3GW-Q23R-PGQM

MGASA-2026-0054

Affected Products

Yt-Dlp

References · 29

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26331.json · Exploit
• https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-g3gw-q23r-pgqm · Vendor Advisory
• https://github.com/yt-dlp/yt-dlp/commit/1fbbe29b99dc61375bf6d786f824d9fcf6ea9c1a · Patch
• https://cve.org/CVERecord?id=CVE-2026-26331 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-26331 · Security Note
• https://osv.dev/vulnerability/ROOT-APP-PYPI-CVE-2026-26331 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-26331 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-g3gw-q23r-pgqm · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2026-0054 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-26331 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-26331 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2026-0054.html · Security Note
• https://ubuntu.com/security/CVE-2026-26331 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-26331 · Vendor Advisory
• https://github.com/yt-dlp/yt-dlp/releases/tag/2026.02.21 · Note