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    CVE-2025-53827

    ownCloud Core is the server-side component of the file storage, synchronization, and sharing application ownCloud Classic. In versions prior to 10.15.3, the Updater on ownCloud 10 before 10.15.3 has an exposed dangerous method or function. Attackers with administrative privileges may leverage functionality to execute arbitrary code. This issue has been fixed in version 10.15.3.

    Published:Jul 6, 2026
    Last Modified:Jul 7, 2026
    EPS:Jul 6, 2026
    EPSS Score:0.00342
    CVSS Score:9.1

    Affected Products

    Vendor
    Owncloud
    Product
    Owncloud

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-500 WebView Injection

    Related CVEs

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    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…
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    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