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    CVE-2023-48702

    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.

    Published:Dec 13, 2023
    Last Modified:Nov 21, 2024
    EPS:Dec 13, 2023
    EPSS Score:0.00701
    CVSS Score:7.2

    Affected Products

    Vendor
    Jellyfin
    Product
    Jellyfin

    Exploits

    https://github.com/jellyfin/jellyfin/security/advisories/GHSA-rr9h-w522-cvmrhttps://securitylab.github.com/advisories/GHSL-2023-028_jellyfin/https://github.com/jellyfin/jellyfin/security/advisories/GHSA-rr9h-w522-cvmrhttps://securitylab.github.com/advisories/GHSL-2023-028_jellyfin/

    Related CVEs

    CVE-2026-49220 (CVSS 5.7) — Jellyfin is an open source self hosted media server. Prior to 10.11.9, a potential XSS attack exists in Jellyf…
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    CVE-2026-49246 (CVSS 1.7) — Jellyfin is an open source self hosted media server. Prior to 10.11.10, a specifically crafted MKV file contai…
    CVE-2026-49247 (CVSS 8.8) — Jellyfin is an open source self hosted media server. From 10.9.0 until 10.11.10, the POST /ClientLog/Document …
    CVE-2026-35034 (CVSS 6.5) — Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain a denial of service vul…
    CVE-2026-35033 (CVSS 9.3) — Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain an unauthenticated arbi…
    CVE-2026-35032 (CVSS 8.6) — Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain a vulnerability chain i…
    CVE-2026-35031 (CVSS 9.9) — Jellyfin is an open source self hosted media server. Versions prior to 10.11.7 contain a vulnerability chain i…
    CVE-2026-31852 (CVSS 10) — Jellyfin is an open-source media system. The code-quality.yml GitHub Actions workflow in jellyfin/jellyfin-ios…
    CVE-2025-31499 (CVSS 7.6) — Jellyfin is an open source self hosted media server. Versions before 10.10.7 are vulnerable to argument inject…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High