Second factor not requested after session timeout

None...

CVE-2025-47790: Improper Authentication

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 caused skipping the second factor...

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...

NextCloud code issues and vulnerabilities

Nextcloud is a suite of open source, self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A code issue vulnerability exists in Nextcloud versions prior to 28.0.13, prior to 29.0.10, and prior to 30.0.3, which stems from not properly securing a...

NextCloud Access Control Vulnerability

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. An access control error vulnerability exists in Nextcloud versions prior to 29.0.13, prior to 30.0.7, and prior to 31.0.1, which stems from an attacker bei...

NextCloud security vulnerabilities

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A security vulnerability exists in Nextcloud versions prior to 30.0.2, prior to 29.0.9, and prior to 28.0.1 that stems from a lack of quota checking and...

NextCloud Desktop Client Access Control Vulnerability

Nextcloud Desktop Client is an open source file synchronization and sharing tool from Nextcloud GmbH. An access control error vulnerability exists in versions prior to Nextcloud Desktop Client 3.15, which stems from a third-party application that can create linked shares via the socket API,...

PT-2025-21661

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...

PT-2025-21662

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 29.0.13, 30.0.7, and 31.0.1 Nextcloud Enterprise Server versions prior to 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1 Description: The issue allows an attacker on a multi-user system to re...

CVE-2025-47794: Improper Access Control

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 read temporary files from Nextcloud...

PT-2025-21657

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 28.0.13 Nextcloud Server versions prior to 29.0.10 Nextcloud Server versions prior to 30.0.3 Nextcloud Enterprise Server versions prior to 28.0.13 Nextcloud Enterprise Server versions prior to 29.0.10...

PT-2025-21656

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions prior to 29.0.15, 30.0.9, and 31.0.3 Nextcloud Enterprise Server versions prior to 26.0.13.15, 27.1.11.15, 28.0.14.6, 29.0.15, 30.0.9, and 31.0.3 Description: The issue concerns a bug in session handling. When the...

NextCloud Authorization Issues Vulnerability

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. An authorization issue vulnerability exists in Nextcloud versions prior to 29.0.15, prior to 30.0.9, and prior to 31.0.3, which stems from a session...

PT-2025-21658

Name of the Vulnerable Software and Affected Versions: Nextcloud Desktop versions prior to 3.15 Description: The issue affects Nextcloud Desktop, allowing 3rd party applications to create link shares for almost all data via the socket API. These shares can then be sent to an external service...

CVE-2025-47792: Improper Access Control

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 easily sent off to an external service...

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...

📄 Nextcloud Workflows Remote Code Execution

This Metasploit module adds workflows as an authenticated user which can only be created by administrators by design. If the app "Nextcloud Workflow Script" is installed it is possible to generate a workflow that executes commands. This module requires Metasploit: https://metasploit.com/download...

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

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

NextCloud Calendar Auth Bypass

The vulnerability of the Nextcloud calendar application, a cloud-based software for creating and using Nextcloud data storage, is related to improper authentication procedures. Exploiting this vulnerability allows an attacker to bypass authentication checks remotely...

ROS-20250417-01

A vulnerability in the Nextcloud calendar cloud software application for creating and utilizing the Nextcloud Nextcloud data warehouse is related to disclosure of internal website paths when the SMTP server is unavailable. Exploitation of the vulnerability could allow an attacker acting remotely ...