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CVE-2026-50574

yt-dlp: Arbitrary code execution via manifest downloads with aria2c

Published: Jun 23, 2026Updated: Jun 23, 2026 Sources: CVE List NVDCWE-74
8.3HIGH
NVD MITRE
EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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 allows an attacker to perform an arbitrary file write. On Windows platforms, this can lead to immediate arbitrary code execution. On non-Windows platforms, this can lead to arbitrary code execution upon the next invocation of yt-dlp. This vulnerability is fixed in 2026.06.09.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:RS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-74

Affected Products

yt-dlpyt-dlp
On-prem
Consumer Software / file-utility
yt-dlposs-projectConsumer Software

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Execution
Initial Access
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References

https://github.com/yt-dlp/yt-dlp/security/advisories/GHSA-vx4q-3cr2-7cg2
github.com

Timeline

Published
Jun 23, 2026
Last Updated
Jun 23, 2026

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