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25 August 2026

Vulnerabilities first published on this day (UTC), newest first.

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All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.8
    CVE-2026-19912 Public exploit

    CVE-2026-19912

    The Kaltura HTML5 player (mwEmbed / html5lib) contains an unauthenticated remote code execution vulnerability caused by unsafe data deserialization and unsanitized filesystem path construction. mwEmbedLoader.php accepts a user‑controlled ServiceUrl, whose res…

    Kaltura Kaltura HTML5 Video Player, html5 library
  • Critical 9.8
    CVE-2026-79657 Public exploit

    NLTK before 3.10.3 Remote Code Execution via Unsafe Pickle Deserialization

    NLTK versions before 3.10.3 contain a remote code execution vulnerability in allowlisted pickle loaders that trust entire module namespaces instead of specific safe callables. Attackers can craft malicious pickle payloads invoking dangerous in-namespace funct…

    nltk nltk nltk nltk Debian Ubuntu PyPI
  • Critical 9.8
    CVE-2026-56705 Public exploit

    Adminer before 5.4.3 Remote Code Execution via MSSQL PDO DSN Injection

    Adminer before 5.4.3 fails to sanitize the server field before constructing a PDO DSN string, allowing unauthenticated attackers to inject ODBC parameters via semicolons. Attackers can inject TraceFile and TraceOn parameters to write PHP code to the web root,…

    vrana adminer adminer adminer Debian Ubuntu