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    CVE-2025-53829

    ownCloud is a file storage, synchronization, and sharing application. In ownCloud 10 prior to version 10.15.3, an attacker with administrative privileges can exploit a path traversal vulnerability in the system to execute arbitrary code. Upgrade ownCloud 10 to version 10.15.3 or later to receive a patch.

    Published:Jul 6, 2026
    Last Modified:Jul 6, 2026
    EPS:Jul 6, 2026
    EPSS Score:
    CVSS Score:8

    Affected Products

    Vendor
    Owncloud
    Product
    Owncloud

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-23 Relative Path Traversal

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-139 Relative Path Traversal
    CAPEC-76 Manipulating Web Input to File System Calls

    Related CVEs

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    CVE-2025-53830 (CVSS 9.1) — Anti-Virus for ownCloud is an anti-virus application for file storage, synchronization, and sharing applicatio…
    CVE-2025-53828 (CVSS 8.5) — SharePoint for ownCloud is an application for using SharePoint with the file storage, synchronization, and sha…
    CVE-2025-53827 (CVSS 9.1) — ownCloud Core is the server-side component of the file storage, synchronization, and sharing application ownCl…
    CVE-2019-25337 (CVSS 5.3) — OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user acc…
    CVE-2025-59716 (CVSS 5.3) — ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{t…
    CVE-2022-43679 (CVSS 4.2) — The Docker image of ownCloud Server through 10.11 contains a misconfiguration that renders the trusted_domains…
    CVE-2022-31649 (CVSS 7.5) — ownCloud owncloud/core before 10.10.0 Improperly Removes Sensitive Information Before Storage or Transfer.…
    CVE-2021-35948 (CVSS 5.4) — Session fixation on password protected public links in the ownCloud Server before 10.8.0 allows an attacker to…
    CVE-2021-35946 (CVSS 9.8) — A receiver of a federated share with access to the database with ownCloud version before 10.8 could update the…

    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