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ownCloud: actively exploited vulnerabilities

2 vulnerabilities in ownCloud products (ownCloud Server) are in CISA’s catalog of exploited vulnerabilities, 1 of them added in the last 90 days. Last added: August 27, 2026.

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A high count also reflects how widely a product is deployed and how much attackers care about it: it is not a security rating.

Affected products

  • ownCloud Server 2 vulnerabilities · File transfer (MFT)

Name used by CISA: ownCloud. Product families: indicative classification by this site.

Patch first

In the order of the main list (Patch first): recent additions first, then the most severe. The number is the rank within this ownCloud list.

  1. Rank 1ownCloud Server

    CVE-2023-49105

    Hunt for compromise (CISA)CVE from 2023, added in 2026

    ownCloud Improper Authentication Vulnerability

    Added in the last 12 months: ranked by severity.

    Added
    Aug 27, 2026
    CISA deadline
    3 days
    CVSS severity
    9.8 (critical)

  2. Rank 2ownCloud Server

    CVE-2023-49103

    ownCloud graphapi Information Disclosure Vulnerability

    Added more than a year ago: ranked by severity.

    Added
    Nov 30, 2023
    CISA deadline
    21 days
    CVSS severity
    7.5 (high)

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Indicative classification, based on the vendor and product names given by CISA. How products are classified.