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OpenAdvisories
High WID-SEC-2023-0824 2 CVEs

Nextcloud: Mehrere Schwachstellen

Published Apr 2, 2023 · Updated Feb 9, 2026 · Revision 2 · de-DE

Summary

Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Nextcloud ausnutzen, um beliebigen Programmcode auszuführen oder Informationen offenzulegen.

Product

Nextcloud ist eine "on-premise" Plattform für Dateifreigabe und Zusammenarbeit.

Vulnerabilities 2

  • Critical 9.1
    CVE-2023-26482 Public exploit

    Scope of workflow operations is not validated in nextcloud server

    Nextcloud server is an open source home cloud implementation. In affected versions a missing scope validation allowed users to create workflows which are designed to be only available for administrators. Some workflows are designed to be RCE by invoking defin…

  • Low 3.5

    Chat room membership disclosed via autocompletion in Nextcloud talk

    Nextcloud talk is a video & audio conferencing app for Nextcloud. In affected versions the talk app does not properly filter access to a conversations member list. As a result an attacker could use this vulnerability to gain information about the members of a…

Revision history

  1. #2

    PoC für CVE-2023-26482 aufgenommen

  2. #1

    Initiale Fassung

References