CVE-2025-47794 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 read temporary files from Nextcloud...

CVE-2025-47794 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 read temporary files from Nextcloud...

CVE-2025-47793 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 30.0.2 and 29.0.9, and Nextcloud...

CVE-2025-47793 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 30.0.2 and 29.0.9, and Nextcloud...

CVE-2025-47793

The CVE-2025-47793 issue affects Nextcloud Server and the Groupfolders app where, due to missing quota enforcement on attachments, logged-in users could upload files that exceed the group folder quota. Affected versions and fixes are: Nextcloud Server: before 30.0.2, 29.0.9, 28.0.1 Nextcloud Ente...

CVE-2025-47793 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 30.0.2 and 29.0.9, and Nextcloud...

CVE-2025-47790

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 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 correctly, allowing to proxy requests...

CVE-2025-47791 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 correctly, allowing to proxy requests...

CVE-2025-47791 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 correctly, allowing to proxy requests...

CVE-2025-47791

The vulnerability CVE-2025-47791 affects Nextcloud Server (self-hosted) and Nextcloud Enterprise Server prior to 28.0.13, 29.0.10, and 30.0.3. The issue is an improperly protected, currently unused endpoint used to verify a share recipient, which could proxy requests to another server. Affected v...

CVE-2025-47790 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 caused skipping the second factor...

CVE-2025-47790 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 caused skipping the second factor...

CVE-2025-47790

Nextcloud Server and Enterprise Server are affected by a session-handling bug that can skip the second-factor authentication after a successful login when remember_login_cookie_lifetime is set to 0 and the session times out. Affected versions: Nextcloud Server prior to 29.0.15, 30.0.9, and 31.0.3...

Bypass group folder quota limit using attachment in text file

None...

Test remote endpoint is not rate limited

None...

Second factor not requested after session timeout

None...

PT-2025-21657 · Nextcloud +1 · Nextcloud Enterprise Server +2

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-2025-21661 · 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...

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...