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Sicherheitslücken in xdg-desktop-portal

In den letzten 30 Tagen veröffentlichte Sicherheitslücken für xdg-desktop-portal: 2. Davon im KEV-Katalog: 0.

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Sicherheitslücken: 3

  1. CVE-2026-55888

    Hoch · CVSS 8.8EPSS 0,38%Keine Korrektur veröffentlicht

    XDG Desktop Portal: Arbitrary file access via SaveFiles "files" option path traversal

    XDG Desktop Portal is a desktop integration portal. Prior to version 1.22.1, malicious sandboxed applications can use the FileChooser.SaveFiles method to gain arbitrary file access to non-existing files on the host (limited to files the user has access to). The FileChooser.SaveFiles method takes optional filenames which get appended to the selected directory by backends. The backends are supposed to check that the file does not exist yet. The filenames are not validated by the frontend and also not by common backends. This issue has been patched in version 1.22.1.

    xdg-desktop-portalBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  2. CVE-2026-55889

    Hoch · CVSS 8.3EPSS 0,34%Keine Korrektur veröffentlicht

    XDG Desktop Portal: Drag-and-drop and copy-paste theft via predictable FileTransfer key

    XDG Desktop Portal is a desktop integration portal. Prior to version 1.22.1, malicious sandboxed applications can use the FileTransfer.RetrieveFiles method to redirect drag-and-drop and copy-paste data targeted at other applications to itself. Some portals generate tokens which provide access to resources. The sharing of the token transfers access to the resource and is supposed to happen out of band. The tokens were generated with g_random_int or g_uuid_string_random, both of which use GLib's GRand based on the Mersenne Twister PRNG which created a stream of reproducible random numbers. By generating enough tokens, the state of the GRand can

    xdg-desktop-portalBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

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