CVE-2025-47791: Server-Side Request Forgery (SSRF)

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 correctly, allowing to proxy requests...

PT-2025-21661 · Nextcloud +1 · Nextcloud Enterprise Server +3

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 30.0.2 Nextcloud Server versions prior to 29.0.9 Nextcloud Server versions prior to 28.0.1 Nextcloud Enterprise Server versions prior to 30.0.2 Nextcloud Enterprise Server versions prior to 29.0.9 Nextcloud...

CVE-2025-47793: Allocation of Resources Without Limits or Throttling

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 30.0.2 and 29.0.9, and Nextcloud...

The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server lies in the storage of sensitive information in unencrypted form, allowing attackers to gain access to confidential data.

The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server lies in the storage of passwords in an unencrypted form during session data. Exploiting this vulnerability can allow attackers to gain access to confidential information...

The vulnerability of cloud software for creating and using Nextcloud Server and Nextcloud Enterprise Server lies in the insecure management of privileges, which allows attackers to disclose protected information.

The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server lies in the insecure management of privileges. Exploiting this vulnerability can allow a malicious actor, operating remotely, to expose protected information...

The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server lies in the insufficient protection of sensitive data, allowing attackers to influence privacy issues.

The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server is related to insufficient protection of sensitive data. Exploiting this vulnerability can allow attackers to influence the confidentiality of sensitive information...

The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server allows attackers to gain unauthorized access to protected information, thereby enabling them to compromise the security of these systems.

The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server relates to the insecure storage of confidential information. Exploiting this vulnerability can allow an attacker to gain unauthorized access to protected information...

The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server lies in the authentication procedures’ deficiencies, which allow attackers to disclose protected information.

The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server is related to deficiencies in authentication procedures. Exploiting this vulnerability can allow a malicious actor, operating remotely, to disclose protected information...

The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server lies in the lack of security measures for website structures, allowing attackers to trigger service failures.

The vulnerability of cloud-based software for creating and using Nextcloud Server and Nextcloud Enterprise Server is related to the lack of protective measures for the website structure. Exploiting this vulnerability can allow a malicious actor to cause service interruptions remotely...

The vulnerability of cloud software for creating and using Nextcloud Server’s data storage solution is related to improper access control, allowing attackers to gain access to confidential information.

The vulnerability of cloud-based software for creating and using Nextcloud Server storage solutions is related to improper access control. Exploiting this vulnerability can allow an attacker, operating remotely, to gain access to confidential information...

Nextcloud Server 27.x < 27.1.10, 28.x < 28.0.6, 29.x < 29.0.1 Incomplete Sanitization Vulnerability

Nextcloud Server is prone to an incomplete sanitization vulnerability. SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Nextcloud Server 28.x < 28.0.9, 29.x < 29.0.5 Access Control Vulnerability

Nextcloud Server is prone to an access control vulnerability. SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Nextcloud Server 27.x < 27.1.9, 28.x < 28.0.5 Access Control Vulnerability

Nextcloud Server is prone to an access control vulnerability. SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE =...

Nextcloud Server 28.x < 28.0.11, 29.x < 29.0.8, 30.x < 30.0.1 Multiple Vulnerabilities

Nextcloud Server is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:nextcloud:nextcloudserver"...

CVE-2024-52523

Nextcloud Server is a self hosted personal cloud system. After setting up a user or administrator defined external storage with fixed credentials, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active sessi...

CVE-2024-52520

Nextcloud Server is a self hosted personal cloud system. Due to a pre-flighted HEAD request, the link reference provider could be tricked into downloading bigger websites than intended, to find open-graph data. It is recommended that the Nextcloud Server is upgraded to 28.0.10 or 29.0.7 and...

CVE-2024-52517

Nextcloud Server is a self hosted personal cloud system. After storing "Global credentials" on the server, the API returns them and adds them into the frontend again, allowing to read them in plain text when an attacker already has access to an active session of a user. It is recommended that the...

CVE-2024-52516

Nextcloud Server is a self hosted personal cloud system. When a server is configured to only allow sharing with users that are in ones own groups, after a user was removed from a group, previously shared items were not unshared. It is recommended that the Nextcloud Server is upgraded to 22.2.11 o...

CVE-2024-52513 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 that the Nextcloud Server is upgraded to...

CVE-2024-52515 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 other file instead. It is recommended...