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    2 vulnerabilities found for Kaltura HTML5 Video Player, html5lib library by Kaltura

    CVE-2026-19913 (GCVE-0-2026-19913)

    Vulnerability from nvd – Published: 2026-08-25 16:21 – Updated: 2026-08-26 12:51
    VLAI
    Title
    CVE-2026-19913
    Summary
    The Kaltura HTML5 player (mwEmbed / html5lib) contains a local file disclosure vulnerability due to improper validation of the ServiceUrl parameter in mwEmbedLoader.php. This parameter is used as the base URL for a backend request and accepts non‑HTTP schemes such as file://. When an exception or error occurs, the response is subsequently deserialized and its raw contents are reflected to the client in an error message; this enables an unauthenticated, remote attacker to read any arbitrary internal file reachable by the server. Affected versions include html5lib v2.45, v2.103 and earlier, and other v2.x releases exposing the vulnerable endpoint.
    Severity
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-26 12:51 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Kaltura Kaltura HTML5 Video Player, html5lib library Affected: 0 , ≤ v2.103 (custom)
    Affected: 2.45
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-19913 (GCVE-0-2026-19913)

    Vulnerability from cvelistv5 – Published: 2026-08-25 16:21 – Updated: 2026-08-26 12:51
    VLAI
    Title
    CVE-2026-19913
    Summary
    The Kaltura HTML5 player (mwEmbed / html5lib) contains a local file disclosure vulnerability due to improper validation of the ServiceUrl parameter in mwEmbedLoader.php. This parameter is used as the base URL for a backend request and accepts non‑HTTP schemes such as file://. When an exception or error occurs, the response is subsequently deserialized and its raw contents are reflected to the client in an error message; this enables an unauthenticated, remote attacker to read any arbitrary internal file reachable by the server. Affected versions include html5lib v2.45, v2.103 and earlier, and other v2.x releases exposing the vulnerable endpoint.
    Severity
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator · CISA-ADP (v2.0.3)
    Decision recorded 2026-08-26 12:51 UTC
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    Kaltura Kaltura HTML5 Video Player, html5lib library Affected: 0 , ≤ v2.103 (custom)
    Affected: 2.45
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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