Nextcloud Security Breach

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 Server that stems from a cross-site scripting XSS vulnerability that allows an attacker to trick a user into...

PT-2023-8885 · Nextcloud +2 · Nextcloud Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions 25.0.0 through 25.0.12 Nextcloud Server versions 26.0.0 through 26.0.7 Nextcloud Server versions 27.0.0 through 27.1.2 Description: The issue is related to the rendering of HTML code without markup when a user...

PT-2023-8432 · Nextcloud +2 · Nextcloud Enterprise Server +3

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions 25.0.0 through 25.0.10 Nextcloud Server versions 26.0.0 through 26.0.5 Nextcloud Server versions prior to 27.1.0 Nextcloud Enterprise Server versions 22.0.0 through 22.2.10.15 Nextcloud Enterprise Server versions...

PT-2023-8882 · Nextcloud +2 · Nextcloud Enterprise Server +3

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions 25.0.0 through 25.0.12 Nextcloud Server versions 26.0.0 through 26.0.7 Nextcloud Server versions prior to 27.1.3 Nextcloud Enterprise Server versions 20.0.0 through 20.0.14.15 Nextcloud Enterprise Server versions...

PT-2023-8883 · Nextcloud +2 · Nextcloud Server +3

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions 25.0.0 through 25.0.10 Nextcloud Server versions 26.0.0 through 26.0.5 Nextcloud Server versions 27.0.0 through 27.0.0 Nextcloud Enterprise Server versions 22.0.0 through 22.2.10.15 Nextcloud Enterprise Server versio...

PT-2023-8886 · Nextcloud +2 · Nextcloud Server +2

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions 25.0.0 through 25.0.12 Nextcloud Server versions 26.0.0 through 26.0.7 Nextcloud Server versions 27.0.0 through 27.1.2 Description: The issue is related to improper neutralization of input during web page generation,...

PT-2023-8884 · Nextcloud +2 · Nextcloud Enterprise Server +3

Name of the Vulnerable Software and Affected Versions: Nextcloud Server versions 25.0.0 through 25.0.10 Nextcloud Server versions 26.0.0 through 26.0.5 Nextcloud Server versions 27.0.0 through 27.0.1 Nextcloud Enterprise Server versions 25.0.0 through 25.0.10 Nextcloud Enterprise Server versions...

SUSE CVE-2023-39960

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing...

Nextcloud Server < 22.2.10.16, 23.x < 23.0.12.11, 24.x < 24.0.12.7, 25.x < 25.0.11, 26.x < 26.0.6, 27.x < 27.1.0 Improper Access Control Vulnerability (GHSA-xmhp-7vr4-hp63)

Nextcloud Server is prone to an improper access control vulnerability. SPDX-FileCopyrightText: 2023 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 =...

Design/Logic Flaw

Nextcloud calendar is a calendar app for the Nextcloud server platform. Due to missing precondition checks the server was trying to validate strings of any length as email addresses even when megabytes of data were provided, eventually making the server busy and unresponsive. It is recommended th...

CVE-2023-45150 Inviting excessive long email addresses to a calendar event makes the Nextcloud server unresponsive

Nextcloud calendar is a calendar app for the Nextcloud server platform. Due to missing precondition checks the server was trying to validate strings of any length as email addresses even when megabytes of data were provided, eventually making the server busy and unresponsive. It is recommended th...

CVE-2023-45149

CVE-2023-45149 affects Nextcloud Talk. Root cause: brute-force protection for public talk conversation passwords can be bypassed because the authentication endpoint validates the password without applying bruteforce protection. Affected: Nextcloud Talk versions prior to 15.0.8, 16.0.6, or 17.1.1....

Nextcloud Server < 22.2.10.14, 23.x < 23.0.12.9, 24.x < 24.0.12.5, 25.x < 25.0.9, 26.x < 26.0.4 Improper Access Control Vulnerability (GHSA-2hrc-5fgp-c9c9)

Nextcloud Server is prone to an improper access control vulnerability. SPDX-FileCopyrightText: 2023 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 =...

Code injection

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. In Nextcloud Server starting with 25.0.0 and prior to 25.09 and 26.04; as well as Nextcloud Enterprise Server starting with 22.0.0 and prior to 22.2.10.14, 23.0.12.9, 24.0.12.5, 25.0.9, and 26.0.4; missing...

CVE-2023-39960

Technical details for CVE-2023-39960 are not publicly available in the provided documents; monitor for updates.

Nextcloud Security Breach

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 Server that stems from allowing an attacker to brute-force break passwords on the WebDAV API. Affected product...

SUSE CVE-2023-39958

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 22.0.0 and prior to versions 22.2.10.13, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, missing protection allows an attacker to brute force the client secrets of configured OAuth2 clients...

SUSE CVE-2023-39961

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 24.0.4 and prior to versions 25.0.9, 26.0.4, and 27.0.1, when a folder with images or an image was shared without download permissions, the user could add the image inline into a text file and...

SUSE CVE-2023-39962

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 19.0.0 and prior to versions 19.0.13.10, 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a malicious user could delete any personal or global external...

SUSE CVE-2023-39963

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 20.0.0 and prior to versions 20.0.14.15, 21.0.9.13, 22.2.10.14, 23.0.12.8, 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1, a missing password confirmation allowed an attacker, after successfully steali...