OpenTalker SadTalker up to 0.0.2 Video Muxing Process os command injection

Summaryinfo

A vulnerability, which was classified as critical, was found in OpenTalker SadTalker up to 0.0.2. Affected is an unknown function of the component Video Muxing Process. Executing a manipulation can lead to os command injection. This vulnerability appears as CVE-2026-85696. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in OpenTalker SadTalker up to 0.0.2 and classified as critical. This vulnerability affects some unknown functionality of the component Video Muxing Process. The manipulation with an unknown input leads to a os command injection vulnerability. The CWE definition for the vulnerability is CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

SadTalker contains an OS command injection vulnerability in the video muxing process where uploaded audio filenames are interpolated into ffmpeg commands without proper escaping. Attackers can upload audio files with shell metacharacters in the filename to break out of quoted arguments and execute arbitrary system commands when video generation occurs.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-85696 since 09/04/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/04/2026). The MITRE ATT&CK project declares the attack technique as T1202.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• OpenTalker

Name

• SadTalker

Version

• 0.0.1
• 0.0.2

Website

• Product: https://github.com/OpenTalker/SadTalker/

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