CVE-2023-48702— Jellyfin Possible Remote Code Execution via custom FFmpeg binary
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I. Basic Information for CVE-2023-48702
Vulnerability Information
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Vulnerability Title
Jellyfin Possible Remote Code Execution via custom FFmpeg binary
Source: NVD (National Vulnerability Database)
Vulnerability Description
Jellyfin is a system for managing and streaming media. Prior to version 10.8.13, the `/System/MediaEncoder/Path` endpoint executes an arbitrary file using `ProcessStartInfo` via the `ValidateVersion` function. A malicious administrator can setup a network share and supply a UNC path to `/System/MediaEncoder/Path` which points to an executable on the network share, causing Jellyfin server to run the executable in the local context. The endpoint was removed in version 10.8.13.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Jellyfin 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Jellyfin是一个免费软件媒体系统。可让您控制媒体的管理和流式传输。它是专有Emby和Plex的替代产品，可以通过多个应用程序将专用服务器中的媒体提供给最终用户设备。 Jellyfin 10.8.13之前版本存在命令注入漏洞，该漏洞源于攻击者可以设置网络共享并提供指向路径，导致在本地上下文中运行可执行文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2023-48702
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- https://securitylab.github.com/advisories/GHSL-2023-028_jellyfin/x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2023-48702
IV. Related Vulnerabilities
Same product: jellyfin
- CVE-2026-35034
Jellyfin: Potential Application DoS from excessively large S - CVE-2026-35033
Jellyfin: Potential SSRF + Arbitrary file read via stream ar - CVE-2026-35032
Jellyfin: Potential SSRF + Arbitrary file read via LiveTV M3 - CVE-2026-35031
Jellyfin: Potential RCE via subtitle upload path traversal + - CVE-2025-31499
Jellyfin Vulnerable to Argument Injection in FFmpeg
Same vendor: jellyfin
- CVE-2026-35034
Jellyfin: Potential Application DoS from excessively large S - CVE-2026-35033
Jellyfin: Potential SSRF + Arbitrary file read via stream ar - CVE-2026-35032
Jellyfin: Potential SSRF + Arbitrary file read via LiveTV M3 - CVE-2026-35031
Jellyfin: Potential RCE via subtitle upload path traversal + - CVE-2026-31852
Jellyfin Possible Organization/Secret Compromise from danger
Same weakness: CWE-77
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