Home Assistant FFmpeg Vulnerability Enables File Theft and Root Command Execution

Cybersecuritynews •Abinaya • July 30, 2026

A recently disclosed vulnerability in Assistant has unveiled how improper handling of FFmpeg inputs can be exploited to steal sensitive files and ultimately enable root-level command execution on affected systems. This issue, discovered by security researchers at elttam, highlights the dangers of integrating powerful multimedia tools like FFmpeg into applications without strict input validation. […]

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Home Assistant FFmpeg Vulnerability Allows Root Command Execution and File Theft A newly discovered vulnerability in Home Assistant's FFmpeg integration permits attackers to exploit improper input handling to steal sensitive files and execute commands with root privileges. Researchers from elttam identified that unsafe argument handling in the Wyoming Assist satellite feature could lead to the theft of Supervisor tokens. This flaw affects systems using Home Assistant with FFmpeg integration, potentially compromising sensitive information and system control. The vulnerability emphasizes the risks associated with integrating powerful multimedia tools without adequate input validation. As of the latest reports, no patches have been released to address this issue, leaving affected systems vulnerable. Security professionals are advised to monitor their systems for any signs of exploitation. 2 sources 67

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Home Assistant FFmpeg Vulnerability Enables File Theft and Root Command Execution

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MITRE ATT&CK (1)

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