Nextcloud Server IDOR Vulnerability (GHSA-h6j9-6xjq-44c4)

Nextcloud Server is prone to an Insecure Direct Object Reference IDOR vulnerability. SPDX-FileCopyrightText: 2025 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 =...

CVE-2025-64011

Nextcloud Server 30.0.0 is vulnerable to an Insecure Direct Object Reference IDOR in the /core/preview endpoint. Any authenticated user can access previews of arbitrary files belonging to other users by manipulating the fileId parameter. This allows unauthorized disclosure of sensitive data, such...

EUVD-2025-203106

Nextcloud Server 30.0.0 is vulnerable to an Insecure Direct Object Reference IDOR in the /core/preview endpoint. Any authenticated user can access previews of arbitrary files belonging to other users by manipulating the fileId parameter. This allows unauthorized disclosure of sensitive data, such...

CVE-2025-64011

Nextcloud Server 30.0.0 is vulnerable to an Insecure Direct Object Reference IDOR in the /core/preview endpoint. Any authenticated user can access previews of arbitrary files belonging to other users by manipulating the fileId parameter. This allows unauthorized disclosure of sensitive data, such...

CVE-2025-64011

Nextcloud Server 30.0.0 is vulnerable to an Insecure Direct Object Reference IDOR in the /core/preview endpoint. Any authenticated user can access previews of arbitrary files belonging to other users by manipulating the fileId parameter. This allows unauthorized disclosure of sensitive data, such...

Nextcloud Server 安全漏洞

Nextcloud Server is a Nextcloud server program from Nextcloud Open Source. A security vulnerability exists in Nextcloud Server version 30.0.0, which stems from the presence of an insecure direct object reference in the /core/preview endpoint that could lead to unauthorized access to sensitive dat...

CVE-2025-64011

Nextcloud Server 30.0.0 is vulnerable to an Insecure Direct Object Reference (IDOR) in the /core/preview endpoint. An authenticated user can access previews of arbitrary files belonging to other users by manipulating the fileId parameter, enabling unauthorized disclosure of sensitive data (text, ...

PT-2025-50959

Name of the Vulnerable Software and Affected Versions Nextcloud Server version 30.0.0 Description Nextcloud Server 30.0.0 contains an Insecure Direct Object Reference IDOR issue in the /core/preview endpoint. An authenticated user can access previews of arbitrary files belonging to other users by...