owncloud vulnerabilities (CVE)

CVE records published for owncloud, newest first. Follow to get an email when a new one appears.

9 results
8.2High
CVE-2025-53831

DrawIO for ownCloud 10 is vulnerable to Stored XSS

owncloud DrawIO for ownCloud; owncloud ownCloud 10

DrawIO for ownCloud is an application for using DrawIO with the file storage, synchronization, and sharing application ownCloud Classic. In DrawIO for ownCloud prior to version 1.0.2, which corresponds to ownCloud 10 prior to version 10.15.3, attackers with a…

8.0High
CVE-2025-53829

ownCloud 10 is vulnerable to Relative Path Traversal

owncloud ownCloud 10

ownCloud is a file storage, synchronization, and sharing application. In ownCloud 10 prior to version 10.15.3, an attacker with administrative privileges can exploit a path traversal vulnerability in the system to execute arbitrary code. Upgrade ownCloud 10 t…

9.8Critical
CVE-2019-25337

OwnCloud 8.1.8 - Username Disclosure

OwnCloud OwnCloud

OwnCloud 8.1.8 contains a username enumeration vulnerability that allows remote attackers to discover user accounts by manipulating the share.php endpoint. Attackers can send crafted GET requests to /index.php/core/ajax/share.php with a wildcard search parame…

5.3Medium
CVE-2025-59716
owncloud guests

ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{token} endpoint. Because of insufficient validation of the supplied token in showPasswordForm, the server responds differently when an e-mail address …

9.8Critical
CVE-2023-49105 KEV

ownCloud Improper Authentication Vulnerability

owncloud owncloud server

An issue was discovered in ownCloud owncloud/core before 10.13.1. An attacker can access, modify, or delete any file without authentication if the username of a victim is known, and the victim has no signing-key configured. This occurs because pre-signed URLs…

43%EPSS
10.0Critical
CVE-2023-49103 KEV

ownCloud graphapi Information Disclosure Vulnerability

owncloud graph api

An issue was discovered in ownCloud owncloud/graphapi 0.2.x before 0.2.1 and 0.3.x before 0.3.1. The graphapi app relies on a third-party GetPhpInfo.php library that provides a URL. When this URL is accessed, it reveals the configuration details of the PHP en…

78%EPSS