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OpenAdvisories

Vendor

Nextcloud

306 known vulnerabilities.

306 results · Feed

  • Low 2.6

    Nextcloud: Private circle can be added to another circle via API

    Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.7 and 33.0.0 to before 33.0.1, a missing access check on API level allowed to add unknown circles by their ID directly to other circles. Since …

  • Low 2.6

    Nextcloud: Improper Access Control in Collectives

    Nextcloud is an open source content collaboration platform. From version 2.6.0 to before version 4.3.0, when a previous collective pages was deleted and the collective was shared view-only, guests with access to the collective were able to access the deleted …

  • Medium 4.6

    Nextcloud: PIN bypass in PassCodeActivity via back button

    Nextcloud is an open source content collaboration platform. From version 33.0.0 to before version 33.1.0, after unlocking a locked Android phone the back-button could be used to bypass the Nextcloud Files app PIN. This issue has been patched in version 33.1.0.

  • Medium 4.3

    Nextcloud: ACL Rename Permission Bypass in Team Folders Allows Unauthorized File Renames

    Nextcloud is an open source content collaboration platform. From versions 17.0.0 to before 17.0.15, 18.0.0 to before 18.1.12, 19.0.0 to before 19.1.16, 20.0.0 to before 20.1.11, and 21.0.0 to before 21.0.4, a user with READ and CREATE permission, but no UPDAT…

  • Low 2.3

    Nextcloud News: Authenticated blind SSRF via feed URL

    Nextcloud News is an RSS/Atom feed reader. Prior to 28.3.0-beta.1, Nextcloud News allows authenticated users to add feeds by providing a feed URL (via the web interface or the API). In affected versions, an authenticated attacker could provide a URL pointing …

  • Low 3.1

    Nextcloud Twofactor WebAuthn app was updated based on public key

    Nextcloud Twofactor WebAuthn is the WebAuthn Two-Factor Provider for Nextcloud. Prior to 1.4.2 and 2.4.1, a missing ownership check allowed an attack to take-away a 2FA webauthn device when correctly guessing a 80-128 character long random string of letters, …

  • Low 3.5

    Nextcloud talk allows participants to blindly delete poll drafts of other users by ID

    Nextcloud talk is a video & audio conferencing app for Nextcloud. Prior to 20.1.8 and 21.1.2, a participant with chat permissions was able to delete poll drafts of other participants within the conversation based on their numeric ID. This vulnerability is fix…

  • Low 3.5

    Nextcloud Contacts vulnerable to Stored XSS in contacts app via organisation and title field

    Contacts app for Nextcloud easily syncs contacts from various devices with your Nextcloud and allows editing. Prior to 5.5.4, 6.0.6, and 7.2.5, a malicious user was able to modify their organisation and title field to load additional CSS files. Javascript and…

  • Low 2.4

    Nextcloud Desktop discloses information when attempting to lock a file inside a end-to-end encrypted directory

    Nextcloud Desktop is the desktop sync client for Nextcloud. Prior to 3.16.5, when trying to manually lock a file inside an end-to-end encrypted directory, the path of the file was sent to the server unencrypted, making it possible for administrators to see it…

  • Low 3.5

    Nextcloud Groupfolders users with read-only permissions for team folder can restore deleted files from trash bin

    Nextcloud Groupfolders provides admin-configured folders shared by everyone in a group or team. Prior to 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2, a user with read-only permission can restore a file from the trash bin. This vulnerability…

  • Low 2.7

    Nextcloud Approval app allows users to request approval for other users file

    The Nextcloud Approval app allows approval or disapproval of files in the sidebar. Prior to 1.3.1 and 2.5.0, an authenticated user listed as a requester in a workflow can set another user’s file into the “pending approval” without access to the file by using …

  • Low 3.5

    Nextcloud Mail stored HTML injection in subject text

    Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Prior to 5.5.3, a stored HTML injection in the Mail app's message list allowed an authenticated user to inject HTML into the email subjects. Javascript was correctly blocked by…

  • Medium 5.4

    Nextcloud Deck app allowed user with "Can share" permission to modify permissions of other non-owners

    Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.14.6 and 1.15.2, a bug in the permission logic allowed users with "Can share" permission to modify the permi…

  • Low 3.3

    Nextcloud Deck app allows to spoof file extensions by using RTLO characters

    Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.12.7, 1.14.4, and 1.15.1, file extension can be spoofed by using RTLO characters, tricking users into downlo…

  • Medium 4.3

    Nextcloud Tables app allowed users to view columns metadata information of any table

    Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.7 and 0.9.4, authenticated users were able to view meta data of columns in other tables of the Tables app by modifying the numeric ID in a request. This vulnerability …

  • Medium 6.3

    Nextcloud Tables is missing an ownership check which allows moving columns into tables of other users

    Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.6 and 0.9.3, a malicious user was able to create their own table and then move a column to a victims table. This vulnerability is fixed in 0.8.6 and 0.9.3.

  • Medium 4.3

    Nextcloud Tables app share information not limited to relevant users

    Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.9, 0.9.6, and 1.0.1, the information which table (numeric ID) is shared with which groups or users and the respective permissions was not limited to privileged users. …

  • Medium 5.7

    Nextcloud Calendar attachments of local files are offered to downloaded

    Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.17 and 5.2.4, when a malicious user creates a calendar event with a crafted attachment that links to a download link of a file on the same Nextcloud server, the file would be downloaded without …

  • Low 3.3

    Nextcloud Calendar app allowed booking appointments without the generated token

    Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.19, 5.5.6, and 6.0.1, the calendar app allowed blindly booking appointments with a squential ID without known the appointment token. This vulnerability is fixed in 4.7.19, 5.5.6, and 6.0.1.

  • Medium 4.8

    Nextcloud Calendar app used predictable proposal participant tokens

    Nextcloud Calendar is a calendar app for Nextcloud. Prior to 6.0.3, the Calendar app generates participant tokens for meeting proposals using a hash function, allowing an attacker to compute valid participant tokens, which allowed them to request details and …

  • Medium 4.3

    Nextcloud Server admin_audit does not log all actions on files in groupfolders

    Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 30.0.9 and 31.0.1, incorrect path handling with groupfolders caused the admin_audit app to not properly log all actions on files and folders inside gro…

  • Medium 4.3

    Nextcloud Server users can modify tags on files that do not belong to them

    Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 31.0.1, non-privileged users can modify tags on files they should not have access to via bulk tagging. This vulnerability is fixed in 31.0.1.

  • Medium 5.4

    Nextcloud Server vulnerable to XSS in SVG images when opened outside of Nextcloud

    Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Server Enterprise prior to 31.0.12 and 32.0.3, a missing sanitization allowed malicious users to circumvent the content security policy when a malicious user manages to trick a u…

  • Medium 4.5

    Nextcloud Server Contacts Search allowed users to retrieve contact information of other users beyond their contact list

    Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 31.0.10 and 32.0.1 and Nextcloud Enterprise Server prior to 28.0.14.11, 29.0.16.8, 30.0.17.3, and 31.0.10, contacts search allowed to retrieve personal data of other users (…

  • Medium 6.4

    Cross-site scripting (XSS) vulnerability in a reachable files_pdfviewer example directory in Nextcloud with versions be…

  • Medium 6.5

    Nextcloud Tables app allowed to include local file via PhpSpreadsheet when importing a table

    Nextcloud Tables allows you to create your own tables with individual columns. Prior 0.7.6, 0.8.8, and 0.9.5, when importing a table, a user was able to specify files on the server and when their format is supported by the used PhpSpreadsheet library they wou…

  • Low 2.6

    Nextcloud Server vulnerable to insecure temporary file creation, race with write access and permission

    Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server prior to 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1, an attacker on a multi-user system may r…

  • Medium 4.3

    Nextcloud Server and Groupfolders app vulnerable to bypass of group folder quota limit using attachment in text file

    Nextcloud Server is a self hosted personal cloud system, and the Nextcloud Groupfolders app provides admin-configured folders shared by everyone in a group or team. In Nextcloud Server prior to 30.0.2, 29.0.9, and 28.0.1, Nextcloud Enterprise Server prior to …

  • Medium 5.0

    Nextcloud Desktop 3rdparty applications can create share links via socket API

    Nextcloud Desktop is the desktop sync client for Nextcloud. In versions of Nextcloud Desktop prior to 3.15, 3rdparty applications already installed on a user machine can create link shares for almost all data via the socket API. These shares can then be easil…

  • Medium 4.3

    Nextcloud Server's test remote endpoint is not rate limited

    Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server prior to 28.0.13, 29.0.10, and 30.0.3, a currently unused endpoint to verify a share recipient was not protected…

  • Medium 6.4

    Nextcloud Server doesn't request second factor after session timeout

    Nextcloud Server is a self hosted personal cloud system. Nextcloud Server prior to 29.0.15, 30.0.9, and 31.0.3 and Nextcloud Enterprise Server prior to 26.0.13.15, 27.1.11.15, 28.0.14.6, 29.0.15, 30.0.9, and 31.0.3 have a bug with session handling. The bug ca…

  • Low 3.5

    Nextcloud Mail app does not respect download permissions in shares

    Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. The Nextcloud mail app incorrectly allowed attaching shared files without download permissions as attachments. This allowed users to send them the files to themselves and then …

  • High 8.2

    Nextcloud Mail auto configurator can be tricked into sending account information to wrong servers

    Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. When a user is trying to set up a mail account with an email address like user@example.tld that does not support auto configuration, and an attacker managed to register autocon…

  • Medium 4.2
    CVE-2024-52510 Public exploit

    Nextcloud Desktop client behaves incorrectly if the initial end-to-end-encryption signature is empty

    The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. The Desktop client did not stop with an error but allowed by-passing the signature validation, if a manipulated server sends an empty initial signature. It i…

  • Low 3.5

    Share information of the Nextcloud Tables app is not limited to affected users

    Nextcloud Tables allows users to to create tables with individual columns. The information which Table (numeric ID) is shared with which groups and users and the respective permissions was not limited to affected users. It is recommended that the Nextcloud Ta…

  • Medium 6.3

    Nextcloud Tables has an Authorization Bypass Through User-Controlled Key in Tables

    Nextcloud Tables allows users to to create tables with individual columns. By directly specifying the ID of a table or view, a malicious user could blindly insert new rows into tables they have no access to. It is recommended that the Nextcloud Tables is upgr…

  • Low 3.3

    Nextcloud User OIDC has an open redirection when logging in with User OIDC

    user_oidc app is an OpenID Connect user backend for Nextcloud. A malicious user could send a malformed login link that would redirect the user to a provided URL after successfully authenticating. It is recommended that the Nextcloud User OIDC app is upgraded …

  • Low 2.6

    Nextcloud Server's Attachments folder for Text app is accessible on "Files drop" and "Password protected" shares

    Nextcloud Server is a self hosted personal cloud system. After receiving a "Files drop" or "Password protected" share link a malicious user was able to download attachments that are referenced in Text files without providing the password. It is recommended th…

  • Medium 4.1

    Nextcloud Server allows users to copy folder that contain files that are blocked by the files access control

    Nextcloud Server is a self hosted personal cloud system. After a user received a share with some files inside being blocked by the files access control, the user would still be able to copy the intermediate folder inside Nextcloud allowing them to afterwards …

  • Medium 5.7

    Nextcloud Server has incomplete sanitization of SVG files allows to embed other images into previews

    Nextcloud Server is a self hosted personal cloud system. After an admin enables the default-disabled SVG preview provider, a malicious user could upload a manipulated SVG file referencing paths. If the file would exist the preview of the SVG would preview the…