CVE-2023-30539

    Dashboard / Vulnerabilities / CVE-2023-30539

    CVE-2023-30539

    Published: 17 Apr 2023Last Modified: 1 Oct 2026

    Summary: Users can set up workflows using restricted and invisible system tags in Nextcloud

    Details: Nextcloud is a personal home server system. Depending on the set up tags and other workflows this issue can be used to limit access of others or being able to grant them access when there are system tag based files access control or files retention rules. It is recommended that the Nextcloud Server is upgraded to 24.0.11 or 25.0.5, the Nextcloud Enterprise Server to 21.0.9.11, 22.2.10.11, 23.0.12.6, 24.0.11 or 25.0.5, and the Nextcloud Files automated tagging app to 1.11.1, 1.12.1, 1.13.1, 1.14.2, 1.15.3 or 1.16.1. Users unable to upgrade should disable all workflow related apps. Users are advised to upgrade.

    References: https://hackerone.com/reports/1895976, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/30xxx/CVE-2023-30539.json, https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3m2f-v8x7-9w99, https://nvd.nist.gov/vuln/detail/CVE-2023-30539, https://github.com/nextcloud/files_automatedtagging/pull/705, https://github.com/nextcloud/server/pull/37252

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- f31356b5ae5d656906efc7ab8bcbf155cf340477
    Fixed -fdf348e1d70204580da50721edbf6b5abfeab38f

    Affected versions

    1.11.0

    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
    CVE-2023-30539 | CVE-DB