CVE-2021-29490

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    CVE-2021-29490

    Published: 6 May 2021Last Modified: 7 Aug 2026

    Summary:

    Details: Jellyfin is a free software media system that provides media from a dedicated server to end-user devices via multiple apps. Verions prior to 10.7.3 vulnerable to unauthenticated Server-Side Request Forgery (SSRF) attacks via the imageUrl parameter. This issue potentially exposes both internal and external HTTP servers or other resources available via HTTP `GET` that are visible from the Jellyfin server. The vulnerability is patched in version 10.7.3. As a workaround, disable external access to the API endpoints `/Items/*/RemoteImages/Download`, `/Items/RemoteSearch/Image` and `/Images/Remote` via reverse proxy, or limit to known-friendly IPs.

    References: https://github.com/jellyfin/jellyfin/security/advisories/GHSA-rgjw-4fwc-9v96

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -3566d21ad14f716530969fb4ea85641035e67f6f

    Affected versions

    v10.7.2
    v10.7.1
    v10.7.0
    v10.7.0-rc4
    v10.7.0-rc3
    v10.7.0-rc2
    v10.7.0-rc1

    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
    CVE-2021-29490 | CVE-DB