CVE-2026-85696— SadTalker OS Command Injection via Audio Filename
Quick assessment
Affected
OpenTalker SadTalker
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
SadTalker 在视频复混（muxing）流程中存在操作系统命令注入漏洞：上传的音频文件名未经过充分转义，直接被插入到 ffmpeg 命令行中。攻击者可通过上传文件名中带有 shell 元字符（如 、 、 等）的音频文件，使其在视频生成过程中“跳出”引号边界，从而执行任意系统命令。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1059 · Command and Scripting InterpreterAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| OpenTalker | SadTalker | ≤ 0.0.2 |
affected |
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I. Basic Information for CVE-2026-85696
Vulnerability Information
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Vulnerability Title
SadTalker OS Command Injection via Audio Filename
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| OpenTalker | SadTalker | 0 ~ 0.0.2 | - |
|
II. Public POCs for CVE-2026-85696
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-85696 (1)
-
🔗 SadTalker/src/utils/videoio.py at v0.0.2 · OpenTalker/SadTalker · GitHub Read full article technical-description
Vendor Advisories for CVE-2026-85696 (1)
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🔗 SadTalker OS Command Injection via Audio Filename | Advisories | VulnCheck third-party-advisory
Proof of Concept for CVE-2026-85696 (1)
IV. Related Vulnerabilities
Same weakness: CWE-78
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V. Comments for CVE-2026-85696
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